Question: . Assume you are working for an automobile manufacturer. Based on engineering reports, 6% of the cars your company produces will receive a “below-standard” rating from the Environmental Protection Agency (EPA) on the pollution control devices. Thus, even a correctly operating production process will have variation, and not all cars will be produced exactly as designed. If twenty cars are selected at random from the inventory in Detroit,

a) what is the expected number of “above-standard” cars produced? What is ??

b) what is the probability of finding thirteen “above-standard” cars?

c) what is the probability of finding two or three “below-standard” cars?

d) what is the probability of finding more than eighteen “above-standard” cars?

e) what is the probability of finding less than four “below-standard” cars?