2. (5 points) West Virginia has one of the highest divorce rates in the nation with an annual rate of approximately 5 divorces per
2. (5 points) West Virginia has one of the highest divorce rates in the nation with an annual rate of approximately 5 divorces per 1000 couples. The Marital Counseling Center, Inc. (MCC) thinks that the high divorce rate in the state may require them to hire additional staff. Working with a consultant, the management of MCC has developed the following probability distribution for x = the number of new clients for marriage counseling for the next year. x P(x) 0.05 10 20 0.10 30 0.10 40 0.20 50 0.35 60 0.20 a. Is this probability distribution valid? Explain. a. YES b. What is the probability MCC will obtain more than 30 new clients? c. What is the probability MCC will obtain few than 20 new clients? d. Construct a cumulative probability distribution. e. Compute the expected value and the variance of x.
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