hourly increase and the standard deviation on that amount? 10) An insurance representative has appointments with 4 prospective clients tomorrow From past experience, she knows that the probability of making a sale on any appointment is .2 According to the binomial distribution, a) what is the probability that she will sell a policy to 2 of the 4 prospective clients? b) what is the probability that she will sell a policy to at least 2 of the 4 prospective clients? c) what is the expected number of policies she will sell and what is the standard deviation? Answers