Seventy-two percent of U.S adults have read a book in any format in the past year. You randomly select five U.S adults and ask them whether they have read a book in any format in the past year. The random variable represents the number of adults who have read a book in any format in the past year.

In Exercises 17 and 18,

(a) construct a binomial distribution,

(b) graph the binomial distribution using a histogram and describe its shape, and

(c) identify any values of the random variable x that you would consider unusual. Explain your reasoning.