Question: Marketing and Consumer Behavior Movie trailers are designed to attract large audiences. However, according to a recent survey, 32% of Americans believe movie trailers give away too many of a movie's best scenes, that is, they reveal too much.20 Suppose 250 Americans are selected at random and asked if they believe movie trailers reveal too much.
a. Find the distribution of the sample proportion of Americans who believe movie trailers give away too much.
b. Find the probability that the sample proportion is more than 0.35.
c. Find the probability that the sample proportion is less than 0.25.
d. Find a symmetric interval about the mean (p 5 0.32) such that the probability that the sample proportion is in this interval is 0.90.