1. A study concerning the relative influence of husbands and wives in consumer purchasing, which appeared in recent issue of Time Magazine, reported that husband exerts the primary influence in selecting the make of a new automobile in about 70% of all new-car purchases by families. Suppose five families have decided to buy a new car.

a. What is the probability that in exactly two of the five families the husband will exert the primary influence in choosing the make of a car?

b. What is the probability that the husband will select the make of car in all five families? c. What is the probability that the husband will exert the primary influence in choosing the make of a car in at least three of the five families? Use Binomial Table given in Appendix B (Text book). Binomial Table is also posted under Course Document.