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Confidence Interval: Proportion of Customers' Orders

See attached data file.

Problem (P_Data on the template) contains data for 400 customers. This company, ElecMart sells electronic appliances for mail-in orders. Consider this data as a random sample from all of ElecMart mail-in orders. Find the following two sided confidence intervals:

a. Find the 95% Confidence Interval for the portion of all customers whose order is more than $100
b. Find the 95% Confidence Interval for the portion of all customers whose order contains at least 5 items and cost at least $100

Order Data Set from ElecMart

Date Day Time Region CardType Gender BuyCategory ItemsOrdered TotalCost HighItem
01-Mar Mon Morning West ElecMart Female High 4 $136.97 $79.97
01-Mar Mon Morning West Other Female Medium 1 $25.55 $25.55
01-Mar Mon Afternoon West ElecMart Female Medium 5 $113.95 $90.47
01-Mar Mon Afternoon NorthEast Other Female Low 1 $6.82 $6.82
01-Mar Mon Afternoon West ElecMart Male Medium 4 $147.32 $83.21
01-Mar Mon Afternoon NorthEast Other Female Medium 5 $142.15 $50.90
02-Mar Tues Evening West Other Male Low 1 $18.65 $18.65
02-Mar Tues Evening South Other Male High 4 $178.34 $161.93
02-Mar Tues Evening West Other Male Low 2 $25.83 $15.91
03-Mar Wed Morning MidWest Other Female Low 1 $18.13 $18.13
03-Mar Wed Morning NorthEast ElecMart Female Medium 2 $54.52 $54.38
03-Mar Wed Afternoon South Other Male Medium 2 $61.93 $56.32
04-Mar Thurs Morning NorthEast ElecMart Male High 3 $147.68 $96.64
04-Mar Thurs Afternoon NorthEast Other Male Low 1 $27.24 $27.24
05-Mar Fri Morning West Other Female Low 3 $46.18 $44.27
05-Mar Fri Afternoon West Other Male Low 5 $107.44 $91.64
05-Mar Fri Afternoon South ElecMart Female Medium 6 $96.53 $93.68
05-Mar Fri Afternoon West ElecMart Female Medium 4 $77.44 $77.28
06-Mar Sat Morning South Other Male Low 1 $15.19 $15.19
06-Mar Sat Afternoon South Other Male Medium 1 $45.52 $45.52
07-Mar Sun Morning West Other Male High 4 $157.05 $146.28
07-Mar Sun Afternoon West Other Male Medium 2 $51.95 $30.40
07-Mar Sun Evening West ElecMart Female High 9 $429.98 $381.33
08-Mar Mon Afternoon South Other Female Low 1 $33.37 $33.37
08-Mar Mon Evening West Other Male Medium 3 $71.84 $34.13
09-Mar Tues Morning NorthEast ElecMart Female Medium 5 $139.51 $133.11
09-Mar Tues Afternoon South Other Male Medium 3 $78.46 $58.53
09-Mar Tues Evening MidWest Other Male High 3 $125.13 $103.31
10-Mar Wed Afternoon MidWest Other Male Medium 1 $14.76 $14.76
10-Mar Wed Afternoon South ElecMart Female High 2 $83.38 $71.02
11-Mar Thurs Morning West Other Female High 3 $104.91 $47.79
11-Mar Thurs Afternoon NorthEast Other Male Medium 4 $101.37 $88.21
11-Mar Thurs Afternoon NorthEast Other Female Low 2 $53.16 $36.78
11-Mar Thurs Evening West Other Female Low 2 $40.63 $25.82
12-Mar Fri Morning West Other Female High 7 $286.41 $119.78
12-Mar Fri Afternoon South Other Female High 2 $59.39 $40.89
12-Mar Fri Evening NorthEast Other Male High 4 $185.45 $83.38
13-Mar Sat Morning NorthEast Other Female Low 2 $35.08 $32.95
13-Mar Sat Morning MidWest ElecMart Male High 2 $91.62 $90.91
13-Mar Sat Morning NorthEast Other Female Medium 8 $155.50 $114.31
13-Mar Sat Evening West Other Male Low 4 $20.89 $13.16
13-Mar Sat Evening West Other Male High 6 $186.29 $69.18
13-Mar Sat Evening West Other Female Low 1 $42.22 $42.22
13-Mar Sat Evening West Other Male Low 2 $42.19 $30.55
14-Mar Sun Afternoon MidWest Other Female Low 1 $47.86 $47.86
15-Mar Mon Morning South Other Female High 3 $139.76 $59.51
15-Mar Mon Morning NorthEast Other Female Medium 6 $186.42 $116.36
15-Mar Mon Afternoon South Other Female Low 1 $54.08 $54.08
15-Mar Mon Afternoon West Other Female Medium 3 $84.98 $79.81
15-Mar Mon Afternoon South Other Female Low 2 $27.13 $25.99
16-Mar Tues Morning West Other Female Low 2 $54.70 $45.89
16-Mar Tues Afternoon South Other Female High 5 $229.54 $201.73
16-Mar Tues Evening West Other Male Medium 4 $124.21 $84.30
17-Mar Wed Morning West Other Female Low 2 $26.39 $15.59
18-Mar Thurs Morning West Other Female Medium 4 $106.97 $93.90
18-Mar Thurs Afternoon West ElecMart Female High 8 $377.18 $320.31
19-Mar Fri Morning NorthEast Other Female Medium 1 $24.31 $24.31
19-Mar Fri Afternoon South Other Female Low 1 $34.47 $34.47
19-Mar Fri Afternoon West ElecMart Male Medium 3 $106.19 $91.00
19-Mar Fri Evening NorthEast Other Male Low 2 $55.30 $43.78
20-Mar Sat Morning NorthEast Other Female Low 2 $82.98 $53.39
20-Mar Sat Morning NorthEast Other Male Low 4 $101.79 $29.05
20-Mar Sat Morning MidWest Other Male Medium 3 $99.28 $80.58
20-Mar Sat Morning NorthEast Other Female Low 3 $100.09 $38.16
20-Mar Sat Afternoon NorthEast Other Female Medium 3 $88.91 $85.34
20-Mar Sat Afternoon MidWest Other Male Low 2 $62.58 $39.57
20-Mar Sat Afternoon South Other Female Low 1 $28.87 $28.87
20-Mar Sat Afternoon MidWest ElecMart Male Medium 4 $141.29 $114.81
20-Mar Sat Evening NorthEast Other Male Low 4 $66.54 $44.84
20-Mar Sat Evening South Other Female Low 2 $69.03 $63.21
21-Mar Mon Afternoon South ElecMart Female Low 2 $65.51 $37.24
21-Mar Mon Evening West Other Female Low 2 $35.59 $21.23
22-Mar Wed Afternoon South Other Female High 7 $320.18 $308.28
22-Mar Wed Afternoon MidWest ElecMart Male Medium 5 $128.57 $111.98
22-Mar Wed Evening West Other Male High 6 $248.42 $102.31
22-Mar Wed Evening NorthEast Other Male Low 2 $50.04 $32.51
23-Mar Thurs Morning NorthEast Other Male Medium 4 $145.48 $62.58
23-Mar Thurs Afternoon West ElecMart Female High 9 $403.60 $160.86
23-Mar Thurs Afternoon NorthEast Other Female High 6 $284.14 $77.42
23-Mar Thurs Afternoon West Other Female Medium 1 $81.14 $81.14
24-Mar Fri Morning MidWest Other Female Medium 3 $82.36 $59.30
24-Mar Fri Afternoon MidWest ElecMart Female Low 2 $32.65 $21.13
24-Mar Fri Afternoon NorthEast Other Female High 6 $200.70 $87.54
24-Mar Fri Afternoon NorthEast Other Female Low 3 $99.13 $53.48
25-Mar Sat Morning South Other Female Low 4 $85.88 $30.51
25-Mar Sat Afternoon South ElecMart Male High 3 $183.52 $82.01
25-Mar Sat Afternoon West Other Female Low 2 $53.87 $33.72
25-Mar Sat Evening NorthEast Other Male Low 3 $44.08 $27.99
26-Mar Sun Morning MidWest Other Female Medium 1 $82.34 $82.34
26-Mar Sun Afternoon South Other Male High 3 $151.29 $118.79
27-Mar Mon Morning NorthEast Other Male Low 5 $87.02 $26.05
27-Mar Mon Afternoon MidWest Other Male Low 2 $54.96 $31.16
27-Mar Mon Afternoon MidWest Other Female Low 1 $65.11 $65.11
27-Mar Mon Afternoon NorthEast Other Female Low 3 $76.69 $68.61
27-Mar Mon Evening NorthEast Other Female Low 2 $48.38 $37.62
28-Mar Tues Morning NorthEast Other Female Low 5 $76.64 $64.91
28-Mar Tues Afternoon NorthEast Other Female Low 2 $54.08 $37.95
28-Mar Tues Afternoon South Other Female Medium 3 $130.00 $102.77
28-Mar Tues Evening MidWest ElecMart Female High 4 $218.29 $58.11
29-Mar Wed Evening West Other Male Low 1 $38.10 $38.10
30-Mar Thurs Morning NorthEast Other Male Low 4 $100.02 $83.62
30-Mar Thurs Morning West ElecMart Female High 4 $248.73 $191.95
30-Mar Thurs Morning West Other Female Low 2 $25.80 $24.43
30-Mar Thurs Evening MidWest Other Male Low 1 $52.83 $52.83
31-Mar Fri Morning West Other Male Medium 3 $131.89 $109.97
31-Mar Fri Morning NorthEast Other Male Low 3 $82.69 $74.96
31-Mar Fri Morning West Other Male Low 1 $70.03 $70.03
31-Mar Fri Morning NorthEast ElecMart Female High 1 $102.86 $102.86
31-Mar Fri Morning West Other Male High 4 $174.13 $114.41
01-Apr Sat Morning South Other Female Low 2 $49.80 $31.19
01-Apr Sat Morning MidWest ElecMart Female Low 2 $29.97 $27.04
01-Apr Sat Afternoon MidWest Other Male Medium 2 $82.53 $77.36
01-Apr Sat Afternoon South ElecMart Female High 4 $142.76 $110.15
01-Apr Sat Evening NorthEast Other Male Low 2 $72.58 $62.43
01-Apr Sat Evening MidWest Other Male Low 2 $55.39 $42.59
02-Apr Sun Afternoon West Other Female High 4 $206.39 $112.57
03-Apr Tues Morning MidWest Other Female High 4 $245.67 $73.18
03-Apr Tues Morning NorthEast Other Female High 5 $265.69 $87.40
03-Apr Tues Afternoon South Other Female High 3 $124.46 $42.33
03-Apr Tues Afternoon NorthEast Other Female High 6 $206.26 $70.32
04-Apr Wed Afternoon South ElecMart Female High 7 $306.23 $46.45
05-Apr Fri Morning South ElecMart Female Medium 1 $48.12 $48.12
05-Apr Fri Afternoon MidWest Other Male Medium 4 $113.95 $32.43
05-Apr Fri Afternoon West Other Female High 6 $261.44 $65.35
06-Apr Sat Morning South Other Male Low 2 $59.90 $53.07
06-Apr Sat Morning MidWest Other Female Medium 2 $49.73 $31.98
06-Apr Sat Morning MidWest Other Female Low 3 $65.06 $60.74
06-Apr Sat Afternoon West Other Male Medium 4 $97.71 $56.09
06-Apr Sat Afternoon NorthEast Other Female Low 1 $49.84 $49.84
06-Apr Sat Evening MidWest Other Female High 6 $233.94 $39.04
06-Apr Sat Evening West ElecMart Female High 9 $370.26 $337.44
07-Apr Sun Afternoon West ElecMart Male High 6 $313.11 $89.43
07-Apr Sun Afternoon NorthEast Other Female Low 6 $141.77 $47.60
07-Apr Sun Evening South Other Female Low 1 $27.99 $27.99
08-Apr Mon Morning MidWest Other Female Low 3 $81.34 $50.27
08-Apr Mon Afternoon West Other Female Low 2 $97.15 $81.56
08-Apr Mon Evening West Other Male High 7 $352.49 $57.88
09-Apr Tues Morning South Other Female Medium 3 $88.75 $61.84
09-Apr Tues Afternoon NorthEast Other Female Medium 4 $107.95 $28.98
09-Apr Tues Evening NorthEast Other Male Medium 5 $186.22 $55.40
10-Apr Wed Morning MidWest Other Female Medium 4 $159.23 $52.81
10-Apr Wed Afternoon MidWest Other Female Low 2 $82.43 $41.29
10-Apr Wed Evening NorthEast Other Male Low 4 $99.42 $37.12
11-Apr Thurs Afternoon NorthEast ElecMart Male Medium 3 $79.32 $32.30
11-Apr Thurs Evening South Other Male High 3 $160.01 $56.24
11-Apr Thurs Evening West Other Male Low 2 $51.99 $35.14
12-Apr Fri Morning West Other Female Medium 8 $267.67 $87.53
12-Apr Fri Afternoon NorthEast ElecMart Female High 9 $429.22 $183.78
12-Apr Fri Afternoon NorthEast Other Female Low 1 $46.20 $46.20
12-Apr Fri Afternoon NorthEast Other Female High 5 $240.02 $160.99
13-Apr Sat Morning South ElecMart Male Medium 4 $157.14 $77.14
13-Apr Sat Afternoon MidWest Other Female Medium 5 $140.40 $96.40
13-Apr Sat Evening NorthEast ElecMart Male High 5 $204.93 $158.00
14-Apr Sun Morning South Other Female Medium 2 $88.18 $74.27
14-Apr Sun Afternoon South Other Female Low 3 $95.47 $45.35
15-Apr Mon Morning South ElecMart Female High 5 $224.73 $105.74
15-Apr Mon Morning West ElecMart Female High 8 $344.73 $244.30
15-Apr Mon Afternoon NorthEast Other Female High 4 $185.32 $137.00
15-Apr Mon Afternoon South ElecMart Female High 6 $297.31 $265.16
15-Apr Mon Evening South Other Male High 4 $223.32 $206.33
15-Apr Mon Evening South ElecMart Female High 3 $164.40 $56.84
16-Apr Tues Morning West ElecMart Female Medium 2 $123.57 $121.06
16-Apr Tues Evening NorthEast ElecMart Male High 5 $236.97 $109.83
17-Apr Wed Morning West Other Female Medium 2 $82.75 $81.75
17-Apr Wed Morning South Other Male High 6 $307.75 $245.12
17-Apr Wed Afternoon MidWest Other Female High 4 $200.73 $78.57
18-Apr Thurs Morning MidWest ElecMart Female High 4 $242.06 $206.62
18-Apr Thurs Evening South ElecMart Male High 4 $215.09 $61.57
18-Apr Thurs Evening NorthEast Other Male Medium 3 $162.90 $109.78
19-Apr Fri Afternoon West Other Female High 5 $214.31 $164.77
19-Apr Fri Afternoon South Other Female Low 1 $42.07 $42.07
19-Apr Fri Evening NorthEast ElecMart Male Low 2 $69.05 $39.98
19-Apr Fri Evening NorthEast Other Female Low 4 $148.90 $63.80
20-Apr Sat Morning NorthEast Other Male Low 4 $105.74 $90.86
20-Apr Sat Morning MidWest ElecMart Male High 3 $138.32 $108.53
20-Apr Sat Afternoon West Other Male Low 2 $61.71 $54.14
20-Apr Sat Evening South ElecMart Male High 3 $120.11 $98.16
20-Apr Sat Evening MidWest Other Male Medium 1 $72.80 $72.80
20-Apr Sat Evening MidWest ElecMart Female Medium 2 $134.86 $102.31
20-Apr Sat Evening West Other Male Low 4 $89.75 $89.07
21-Apr Sun Morning West Other Female High 4 $220.04 $72.05
21-Apr Sun Afternoon South ElecMart Female High 3 $168.39 $60.23
21-Apr Sun Evening NorthEast Other Male High 6 $277.80 $261.41
22-Apr Mon Afternoon NorthEast Other Female Medium 3 $130.49 $89.00
23-Apr Tues Evening NorthEast Other Male Medium 2 $94.39 $70.47
24-Apr Wed Afternoon West Other Female Low 4 $120.48 $112.28
24-Apr Wed Afternoon South Other Female High 6 $304.95 $100.11
25-Apr Thurs Evening West ElecMart Female High 9 $389.79 $343.29
26-Apr Fri Morning NorthEast Other Female Medium 4 $161.08 $81.75
26-Apr Fri Afternoon NorthEast Other Female Low 2 $69.61 $36.20
27-Apr Sat Morning West Other Female Low 3 $59.99 $24.02
27-Apr Sat Morning MidWest Other Male Low 2 $120.78 $92.30
27-Apr Sat Morning West Other Female Low 3 $82.30 $47.70
27-Apr Sat Morning South Other Female Low 2 $91.88 $74.93
27-Apr Sat Morning West Other Male Medium 1 $87.10 $87.10
27-Apr Sat Afternoon MidWest Other Female Low 2 $70.10 $54.71
27-Apr Sat Afternoon NorthEast Other Female Medium 2 $106.67 $78.41
27-Apr Sat Evening NorthEast ElecMart Male Low 1 $34.31 $34.31
27-Apr Sat Evening West Other Male Low 3 $77.69 $69.68
27-Apr Sat Evening West Other Female Low 2 $85.31 $66.83
28-Apr Sun Evening NorthEast ElecMart Female Medium 1 $65.92 $65.92
28-Apr Sun Evening MidWest Other Female Low 1 $89.98 $89.98
29-Apr Mon Morning West Other Female Low 3 $102.07 $75.69
29-Apr Mon Afternoon South Other Female Medium 4 $199.83 $101.42
29-Apr Mon Evening South Other Male Medium 3 $134.21 $99.33
29-Apr Mon Evening South Other Male Medium 4 $188.41 $183.62
29-Apr Mon Evening West Other Male Medium 4 $102.72 $83.41
29-Apr Mon Evening West Other Male Low 2 $85.63 $60.67
30-Apr Tues Morning West Other Male High 4 $206.87 $204.41
30-Apr Tues Afternoon South Other Female High 2 $141.22 $73.39
30-Apr Tues Evening West Other Male High 10 $463.40 $226.18
30-Apr Tues Evening South Other Female Medium 5 $166.54 $140.73
01-May Wed Morning MidWest Other Female High 6 $260.62 $66.23
01-May Wed Afternoon MidWest Other Female Low 1 $79.16 $79.16
02-May Thurs Afternoon West ElecMart Female High 6 $320.40 $260.67
02-May Thurs Evening MidWest Other Male Medium 2 $79.01 $46.71
03-May Fri Morning West ElecMart Female Medium 2 $126.22 $74.17
03-May Fri Evening NorthEast Other Male High 5 $263.45 $112.54
04-May Sat Morning South Other Male Low 3 $135.86 $121.01
04-May Sat Afternoon West ElecMart Male Low 1 $98.74 $98.74
04-May Sat Evening South ElecMart Female High 1 $101.05 $101.05
04-May Sat Evening NorthEast ElecMart Male High 7 $361.60 $203.01
05-May Sun Evening NorthEast Other Female Low 3 $120.56 $59.07
06-May Mon Morning West Other Female Low 1 $52.68 $52.68
06-May Mon Morning NorthEast Other Female Low 3 $99.51 $67.39
06-May Mon Afternoon South Other Female Low 1 $85.29 $85.29
06-May Mon Afternoon NorthEast Other Female Low 3 $143.59 $94.55
06-May Mon Afternoon South ElecMart Female High 3 $197.13 $91.86
06-May Mon Afternoon South Other Female Medium 3 $190.74 $176.94
06-May Mon Evening West Other Male Low 3 $111.44 $56.17
07-May Tues Morning West Other Male Medium 3 $153.39 $123.62
07-May Tues Afternoon MidWest Other Female Medium 2 $65.40 $36.13
07-May Tues Evening NorthEast ElecMart Female High 9 $448.20 $259.24
07-May Tues Evening South ElecMart Male High 2 $123.19 $81.23
08-May Thurs Morning South ElecMart Female High 5 $210.28 $170.73
08-May Thurs Morning NorthEast Other Female High 7 $349.46 $156.78
08-May Thurs Evening South ElecMart Male High 4 $290.63 $276.65
08-May Thurs Evening MidWest Other Female Low 3 $103.03 $54.03
09-May Fri Morning South Other Male Low 2 $112.54 $79.49
09-May Fri Afternoon MidWest ElecMart Male High 8 $399.36 $61.35
09-May Fri Evening South Other Male Medium 2 $68.18 $62.60
10-May Sat Morning MidWest Other Male Medium 3 $146.58 $88.30
10-May Sat Morning MidWest ElecMart Female High 6 $309.50 $232.77
10-May Sat Morning West Other Male Medium 5 $177.96 $154.80
10-May Sat Morning South ElecMart Male Low 2 $119.46 $93.42
10-May Sat Afternoon West Other Female Low 3 $119.66 $61.53
10-May Sat Afternoon MidWest Other Female Medium 4 $168.87 $77.85
10-May Sat Afternoon South Other Female High 4 $192.39 $159.17
10-May Sat Afternoon South Other Female High 2 $101.73 $70.06
10-May Sat Afternoon NorthEast Other Male Low 2 $74.94 $42.32
10-May Sat Evening MidWest Other Female Medium 8 $291.30 $123.59
11-May Sun Afternoon West ElecMart Female Medium 3 $161.00 $130.65
12-May Mon Afternoon West Other Female Low 3 $116.01 $49.62
12-May Mon Afternoon West Other Male Low 2 $74.39 $74.18
12-May Mon Evening NorthEast Other Male Medium 4 $226.25 $137.61
12-May Mon Evening West Other Male Medium 3 $135.19 $54.33
13-May Tues Morning West Other Male Low 4 $126.16 $87.83
13-May Tues Afternoon South Other Female Medium 4 $156.30 $66.33
13-May Tues Afternoon South ElecMart Female Low 3 $73.42 $68.26
13-May Tues Afternoon NorthEast Other Female High 7 $310.74 $232.22
13-May Tues Afternoon NorthEast ElecMart Female High 6 $296.26 $182.62
13-May Tues Evening West Other Male Low 2 $115.29 $75.89
14-May Wed Evening West Other Male Medium 4 $212.94 $55.55
15-May Thurs Morning South Other Female Low 2 $85.93 $82.63
15-May Thurs Afternoon West Other Male Low 2 $80.02 $58.37
15-May Thurs Afternoon NorthEast ElecMart Female High 5 $286.17 $175.80
16-May Fri Morning South Other Female Medium 4 $190.27 $107.36
16-May Fri Afternoon NorthEast Other Male High 5 $265.24 $258.11
16-May Fri Afternoon West ElecMart Female High 7 $353.93 $289.27
17-May Sat Morning NorthEast Other Male High 5 $314.77 $201.43
17-May Sat Afternoon MidWest ElecMart Female High 2 $169.23 $161.17
17-May Sat Evening West Other Female Medium 3 $149.71 $53.91
17-May Sat Evening MidWest Other Male Medium 2 $105.35 $55.28
18-May Mon Afternoon South Other Female Medium 2 $111.47 $84.06
18-May Mon Evening West Other Male High 9 $441.16 $357.16
19-May Tues Morning MidWest Other Female Medium 5 $179.56 $170.51
19-May Tues Evening South Other Male Medium 2 $83.15 $57.19
20-May Wed Evening South Other Male High 4 $262.86 $120.36
20-May Wed Evening MidWest Other Male Low 2 $82.51 $43.32
21-May Thurs Morning NorthEast ElecMart Female High 5 $290.27 $224.18
21-May Thurs Morning West ElecMart Female Medium 5 $223.08 $109.08
21-May Thurs Afternoon NorthEast Other Female Medium 3 $165.77 $62.30
21-May Thurs Evening South Other Female Low 2 $99.81 $87.72
22-May Fri Morning NorthEast Other Female Medium 3 $158.95 $63.75
22-May Fri Morning MidWest Other Female High 5 $280.99 $169.45
22-May Fri Morning South Other Female Low 4 $149.89 $65.77
22-May Fri Afternoon South Other Female High 7 $363.52 $266.82
22-May Fri Evening NorthEast Other Male Low 2 $93.97 $51.37
23-May Sat Afternoon NorthEast ElecMart Female High 8 $391.97 $240.44
23-May Sat Afternoon West ElecMart Female High 5 $275.54 $92.71
23-May Sat Afternoon NorthEast Other Male Low 1 $115.55 $115.55
23-May Sat Evening MidWest Other Male Medium 3 $125.00 $119.68
23-May Sat Evening South Other Female Medium 1 $103.15 $103.15
23-May Sat Evening NorthEast Other Male Medium 9 $256.70 $67.72
23-May Sat Evening MidWest Other Female Medium 1 $117.99 $117.99
23-May Sat Evening South Other Female Low 2 $98.55 $54.22
24-May Sun Morning MidWest Other Female Low 2 $112.93 $87.91
24-May Sun Evening South Other Female Low 2 $76.30 $56.32
25-May Mon Afternoon NorthEast Other Female Low 2 $129.80 $72.71
25-May Mon Evening South Other Female Low 3 $140.25 $138.42
26-May Tues Morning NorthEast ElecMart Male Low 3 $149.79 $144.66
26-May Tues Morning NorthEast Other Female Medium 4 $172.20 $78.71
26-May Tues Evening West ElecMart Female High 3 $139.85 $58.32
26-May Tues Evening West Other Male Low 1 $96.46 $96.46
26-May Tues Evening West Other Female Medium 3 $127.83 $125.25
27-May Wed Evening NorthEast Other Male Medium 6 $215.88 $90.09
28-May Thurs Morning NorthEast Other Female Medium 2 $133.49 $107.71
28-May Thurs Evening West Other Male Low 2 $117.33 $93.82
29-May Fri Morning West Other Female Low 2 $107.98 $58.05
29-May Fri Afternoon MidWest Other Female Low 6 $203.11 $149.15
29-May Fri Afternoon West Other Female Low 5 $193.33 $129.21
29-May Fri Evening NorthEast Other Male High 7 $343.26 $283.26
30-May Sat Morning NorthEast ElecMart Male High 11 $485.01 $87.44
30-May Sat Evening MidWest ElecMart Female High 4 $221.93 $159.25
30-May Sat Evening West Other Male Low 2 $94.04 $74.65
30-May Sat Evening NorthEast Other Male Low 1 $113.37 $113.37
31-May Sun Afternoon NorthEast Other Male Medium 5 $188.26 $75.93
01-Jun Mon Afternoon West Other Female Medium 4 $170.19 $164.00
01-Jun Mon Afternoon West Other Female High 4 $224.15 $155.26
01-Jun Mon Afternoon NorthEast ElecMart Female High 7 $352.32 $339.72
01-Jun Mon Evening MidWest Other Male High 4 $257.18 $190.18
01-Jun Mon Evening West Other Male Low 2 $122.06 $61.19
01-Jun Mon Evening NorthEast ElecMart Male High 4 $239.95 $90.51
02-Jun Tues Afternoon MidWest Other Female Low 3 $124.44 $58.52
02-Jun Tues Afternoon NorthEast Other Male Low 4 $116.58 $67.23
02-Jun Tues Afternoon MidWest Other Female Medium 2 $154.46 $90.87
02-Jun Tues Evening MidWest Other Male Low 1 $76.92 $76.92
02-Jun Tues Evening South Other Male Medium 4 $194.85 $175.50
03-Jun Wed Morning South ElecMart Female High 6 $367.70 $249.78
03-Jun Wed Evening NorthEast Other Male Low 1 $119.50 $119.50
03-Jun Wed Evening West ElecMart Male High 7 $270.94 $166.10
03-Jun Wed Evening West ElecMart Male Low 2 $94.71 $84.15
04-Jun Thurs Morning South Other Male Low 4 $154.01 $76.55
04-Jun Thurs Morning MidWest ElecMart Female High 5 $313.30 $250.78
04-Jun Thurs Afternoon West Other Male Medium 7 $217.99 $116.94
05-Jun Fri Afternoon NorthEast Other Female Low 3 $127.22 $49.37
05-Jun Fri Afternoon South Other Male Low 1 $135.97 $135.97
05-Jun Fri Afternoon West Other Female Low 1 $87.14 $87.14
05-Jun Fri Afternoon MidWest Other Male Low 2 $96.77 $58.55
05-Jun Fri Evening West Other Female Low 1 $74.74 $74.74
06-Jun Sat Morning South Other Female Medium 1 $117.48 $117.48
06-Jun Sat Morning West Other Male Medium 2 $132.89 $115.69
06-Jun Sat Morning NorthEast ElecMart Male Medium 5 $230.26 $143.78
06-Jun Sat Afternoon NorthEast ElecMart Male High 10 $451.03 $78.06
06-Jun Sat Afternoon MidWest Other Female Low 3 $153.31 $89.45
07-Jun Sun Morning MidWest Other Male Low 3 $117.79 $91.62
08-Jun Mon Morning West ElecMart Female High 7 $357.32 $113.40
08-Jun Mon Afternoon South ElecMart Female High 7 $374.17 $108.97
09-Jun Tues Afternoon NorthEast Other Female Low 3 $122.28 $100.13
09-Jun Tues Evening West Other Male Low 2 $122.57 $91.91
10-Jun Wed Evening South Other Female Medium 2 $134.59 $100.02
10-Jun Wed Evening South Other Male Low 1 $134.98 $134.98
10-Jun Wed Evening MidWest Other Male Low 1 $109.45 $109.45
11-Jun Thurs Morning West ElecMart Female Low 3 $131.52 $45.43
12-Jun Fri Morning MidWest Other Female Low 1 $88.76 $88.76
12-Jun Fri Morning South ElecMart Female High 2 $174.28 $119.76
12-Jun Fri Afternoon West Other Male Low 1 $100.70 $100.70
12-Jun Fri Afternoon NorthEast ElecMart Female High 7 $387.43 $198.42
12-Jun Fri Afternoon West Other Female Low 3 $160.71 $140.37
12-Jun Fri Evening South Other Male Low 1 $105.91 $105.91
12-Jun Fri Evening West Other Male Medium 1 $101.46 $101.46
13-Jun Sat Morning West Other Female High 5 $271.67 $180.25
13-Jun Sat Morning NorthEast Other Male Low 1 $112.74 $112.74
13-Jun Sat Afternoon NorthEast Other Male Low 1 $96.42 $96.42
13-Jun Sat Evening NorthEast ElecMart Female High 6 $271.48 $210.29
14-Jun Sun Morning NorthEast Other Male Medium 2 $156.79 $109.08
14-Jun Sun Morning South Other Female Medium 5 $249.63 $180.01
14-Jun Sun Afternoon West Other Male Medium 6 $278.62 $56.92
14-Jun Sun Evening NorthEast Other Male Medium 2 $84.46 $77.49
14-Jun Sun Evening NorthEast ElecMart Male High 3 $221.17 $161.16
14-Jun Sun Evening West Other Male Low 4 $194.79 $110.87
14-Jun Sun Evening South Other Male High 4 $199.22 $64.95
15-Jun Mon Morning NorthEast Other Female Low 2 $141.70 $108.18
15-Jun Mon Afternoon MidWest ElecMart Female Medium 4 $191.15 $154.22
15-Jun Mon Afternoon NorthEast Other Female Low 2 $142.41 $129.43
16-Jun Tues Morning NorthEast Other Female Low 3 $134.53 $60.16
16-Jun Tues Afternoon West Other Female High 7 $374.37 $357.67
16-Jun Tues Afternoon South Other Female High 3 $241.73 $218.01
17-Jun Wed Morning MidWest ElecMart Female High 4 $278.58 $250.51
17-Jun Wed Morning South Other Female Low 1 $106.25 $106.25
17-Jun Wed Morning South Other Female Low 3 $115.71 $64.52
17-Jun Wed Afternoon NorthEast Other Female Low 1 $78.34 $78.34
17-Jun Wed Afternoon West Other Female Medium 4 $216.03 $70.05
17-Jun Wed Afternoon West Other Female Low 2 $140.01 $119.42
17-Jun Wed Evening NorthEast ElecMart Male High 8 $458.51 $169.63
18-Jun Thurs Morning West Other Female Medium 4 $210.60 $188.26
18-Jun Thurs Morning South Other Female Medium 4 $189.49 $161.86
18-Jun Thurs Evening West Other Male High 7 $359.42 $333.40
19-Jun Fri Morning West Other Female Low 3 $132.06 $124.58
19-Jun Fri Morning West Other Female Medium 5 $252.33 $170.64
19-Jun Fri Morning MidWest ElecMart Male Medium 2 $172.05 $138.38
19-Jun Fri Afternoon West Other Female Medium 4 $206.19 $96.05
19-Jun Fri Afternoon MidWest Other Female Medium 2 $143.98 $142.98
19-Jun Fri Afternoon NorthEast Other Female High 4 $276.67 $185.98
20-Jun Sat Morning MidWest Other Male Low 1 $111.67 $111.67
20-Jun Sat Afternoon NorthEast Other Male Medium 6 $268.39 $170.13
20-Jun Sat Afternoon NorthEast Other Female Medium 3 $169.11 $80.08
20-Jun Sat Afternoon West Other Male Medium 6 $242.46 $180.66
20-Jun Sat Afternoon NorthEast Other Male Medium 4 $168.64 $85.79
20-Jun Sat Afternoon NorthEast Other Female Low 1 $107.59 $107.59

Attachments

Solution Summary

The solution provides step by step method for the calculation of confidence interval for proportion. Formula for the calculation and Interpretations of the results are also included. Interactive excel sheet is included. The user can edit the inputs and obtain the complete results for a new set of data.

$2.19