a) Suppose you are dealing with discrete data. If P(X=0)=0.11, and P(X=1)=0.1, and P(X=2)=0.19 then P(X>2)=?
b) The probability of a getting a new sales contract with any given client is .44. A sales representative works with 8 clients this week. What is the expected number of contracts this week?
c) Consider the 1981 Super Bowl commercial from Schlitz involving a live taste test. Suppose that a taste tester preferring Schlitz is considered a success which occurs with probability .5. In a sample of 200 what is the probability that 100 or more will choose Schlitz as the best beer?
d) A telemarketer will make 25 calls in one hour. The probability of making a sale on any given call is .09. What is the probability that he will make at least one sale during the hour? (Answer to the third decimal place.)