BUS 210 BUS210 Module 6 Homework Solution (AAU Online)

BUS 210 BUS210 Module 6 Homework Solution (AAU Online)

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PART I: APPLICATION

1.Explain the difference between the application of the binomial and the hypergeometric probability distributions.

2.Judging from recent experience, 5 percent of the computer keyboards produced by an automatic, high-speed machine are defective.  If six keyboards are randomly selected, what is the probability that none of the keyboards are defective? 

3.The probabilities and the number of automobiles lined up at a Lakeside Olds at opening time (7:30 a.m.) for service are listed below.  On a typical day, how many automobiles should Lakeside Olds expect to be lined up at opening?

4.In a large metropolitan area, past records revealed that 30 percent of all the high school graduates go to college.  From 20 graduates selected at random, what is the probability that exactly 8 will go to college?

5.Chances are 50-50 that a newborn baby will be a girl.  For families with five children, what is the probability that all the children are girls? 

6.David's gasoline station offers 4 cents off per gallon if the customer pays in cash and does not use a credit card.  Past evidence indicates that 40% of all customers pay in cash.   During a one-hour period twenty-five customers buy gasoline at this station.  What is the probability that at least ten pay in cash?

7.A company is studying the number of monthly absences among its 125 employees.  The following probability distribution shows the likelihood that people were absent 0, 1, 2, 3, 4, or 5 days last month.

8.The following is a binomial probability distribution with n = 3 and  = 0.20.

9.When can the binomial distribution be applied when the trials are not independent?

10.What is unique to the Poisson distribution?

PART II: CASE STUDY.

PART III: JOURNAL ACTIVITY


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