Which of the following can be used to approximate the binomial distribution when the number of trials n is large and the probability of success P is small such that nP ? 7?
A) Poisson distribution
B) hypergeometric distribution
C) any discrete distribution
D) any distribution with a mean equals 7
A
Business
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All but one of the following have been identified as factors responsible for stagnation of U.S. productivity. Which one is not a valid factor?
A. Declining work ethic B. Declining quality of raw materials used in production processes C. Increasing number of service workers D. Changing characteristics of work force
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Which of the following is not a critical parameter for calculating customer lifetime value?
A) initial acquisition cost B) revenues C) profits or losses D) the duration of the relationship
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