6.38 Unfair wealth distribution sentiment According to a study published in www.gallup.com in 2015, 63% of Americans said wealth should be more evenly distributed among a larger percentage of people. For a sample of 10 Americans, let X = number of respondents who said wealth was unfairly distributed.

a. Explain why the conditions are satisfied for X to have the binomial distribution.

b. Identify n and p for the binomial distribution.

c. Find the probability that two Americans in the sample said wealth should be more evenly distributed.