Probabilities with Binomial Distributions
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7) On a very hot summer day, 5% of the production employees at Midland States Steelare absent from work. The production employees are to be selected at random for a special in-depth study on absenteeism.What is the probability of selecting 10 production employee at random on a hot summer day and finding that none of them are absent.
A) 0.002
B) 0.344
C) 0.599
D) 0.100
8) Sponsors of a local charity decide to attract wealthy patrons to its $500 a plate dinner by allowing each patron to buy a set of 20 tickets for the gambling table. The chances of winning in each of these plays is 50-50. If you bought 20 tickets what is the chance of winning 15 or more prizes.
A) 0.250
B ) 0.021
C) 0.006
D) 0.750
9) If the probability of a defective bolt is 0.1 find a) the mean and b) the standard deviation for the distribution of defective bolts in a total of 400.
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Answer to 3 questions on Probability using Binomial Distribution.
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Note: ^ stands for raised to the power of
7) On a very hot summer day, 5% of the production employees at Midland States Steelare absent from work. The production employees are to be selected at random for a special in-depth study on absenteeism.What is the probability of selecting 10 production employee at random on a hot summer day and finding that none of them are absent.
A) 0.002
B) 0.344
C) 0.599
D) 0.100
We use Binomial Distribution
p= 5.00% probability of ...
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