Explore BrainMass

Explore BrainMass

    Statistics - All Topics

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    Pam Beesly, the CEO's Administrative Assistant, has worked for Mr. Rump for a little over one year. She was originally hired by the Chief Operations Officer, Mr. Halpert, as his personal secretary but when the opening for the new assistant to the CEO became available (his last one, Marla, had to leave suddenly due to personal problems), she applied for it?and got it! After working for Mr. Rump, she has noted that, on average, Mr. Rump gets ten phone calls per quarter hour. Depending upon the outcome of your findings from the questions below, Mr. Rump may have to hire an additional assistant. He has his eyes on Ms. Bailey Quarters, Ms. Jennifer Marlowe, and Mr. Les Nessman from the communications division.

    / 14 points

    QUESTIONS 48-51: From the above information, calculate the following:

    48. [3] Determine the expected number of calls in one hour (round to two significant figures).

    a.) 10.00
    b.) 25.00
    c.) 40.00
    d.) 60.00
    e.) None of the above.

    49. [3] Determine the standard deviation for the number of calls in 15 minutes (round to two significant figures).

    a.) 3.16
    b.) 4.44
    c.) 6.32
    d.) 10.00
    e.) None of the above.

    50. [4] Compute the probability that less than three people will call during 15 minutes (round to four significant figures).

    a.) 0.0023
    b.) 0.0028
    c.) 0.0076
    d.) 0.0189
    e.) None of the above.

    51. [4] Compute the probability that exactly 30 people will call during one hour (round to four significant figures).

    a.) 0.0000
    b.) 0.0185
    c.) 0.7500
    d.) 0.9015
    e.) None of the above.

    (Please see the attached file)

    © BrainMass Inc. brainmass.com June 3, 2020, 9:53 pm ad1c9bdddf


    Solution Summary

    Complete, Neat and Step-by-step Solutions are provided in the attached file.