Thirty-eight percent of employed wives in the United States earn more than their husbands. You randomly select five employed U.S. wives and ask them whether they earn more than their husbands. The random variable represents the number of employed U.S. wives who earn more than their husbands.
a. Construct a binomial distribution.
b. Graph the binomial distribution using a histogram and describe its shape.
c. Identify any values of the random variable x that you would consider unusual,
d. Find the mean and standard deviation. explain your reasoning.