Among 34- to 39-year-olds, 32% say they have driven while under the influence of alcohol. Suppose that seven 34- to 39-year-olds are selected at random.
a)What is the probability that all seven have driven while under the influence of alcohol?
(b) What is the probability that at least one has not driven while under the influence of alcohol?
(c) What is the probability that none of the seven has driven while under the influence of alcohol?
(d) What is the probability that at least one has driven while under the influence of alcohol?
