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Question :
71.Refer to Exhibit 5-10. The expected number of days Pete : 1329673

71.Refer to Exhibit 5-10. The expected number of days Pete will catch fish is

a..6

b..8

c.2.4

d.3

72.Refer to Exhibit 5-10. The variance of the number of days Pete will catch fish is

a..16

b..48

c..8

d.2.4

73.The Poisson probability distribution is a

a.continuous probability distribution

b.discrete probability distribution

c.uniform probability distribution

d.normal probability distribution

74.The Poisson probability distribution is used with

a.a continuous random variable

b.a discrete random variable

c.either a continuous or discrete random variable

d.any random variable

75.When dealing with the number of occurrences of an event over a specified interval of time or space and when the occurrence or nonoccurrence in any interval is independent of the occurrence or nonoccurrence in any other interval, the appropriate probability distribution is a

a.binomial distribution

b.Poisson distribution

c.normal distribution

d.hypergeometric probability distribution

76.Excel's POISSON.DIST function can be used to compute

a.bin width for histograms

b.Poisson probabilities

c.cumulative Poisson probabilities

d.Both Poisson probabilities and cumulative Poisson probabilities are correct.

77.Excel's POISSON.DIST function has how many inputs?

a.2

b.3

c.4

d.5

78.When using Excel's POISSON.DIST function, one should choose TRUE for the third input if

a.a probability is desired

b.a cumulative probability is desired

c.the expected value is desired

d.the correct answer is desired

79.In the textile industry, a manufacturer is interested in the number of blemishes or flaws occurring in each 100 feet of material. The probability distribution that has the greatest chance of applying to this situation is the

a.normal distribution

b.binomial distribution

c.Poisson distribution

d.uniform distribution

**Exhibit 5-11**

The random variable *x* is the number of occurrences of an event over an interval of ten minutes. It can be assumed that the probability of an occurrence is the same in any two time periods of an equal length. It is known that the mean number of occurrences in ten minutes is 5.3.

80.Refer to Exhibit 5-11. The random variable *x* satisfies which of the following probability distributions?

a.normal

b.Poisson

c.binomial

d.Not enough information is given to answer this question.