The input of days results in the output of total collected books. On day 1, 8 books were collected. Both inputs for days 2 and 3
have the same output of 13, meaning that no books were collected for day 3. After 5 days, 21 books were collected. The most books were collected on day 5.
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?