Chapter 4.2, Problem 32E

Finding and Interpreting Mean, Variance, and Standard Deviation In Exercises 31–36, find the mean, variance, and standard deviation of the binomial distribution for the given random variable. Interpret the results.

32. Rap and Hip-Hop Music Fifty percent of adults are offended by how men portray women in rap and hip-hop music. You randomly select four adults and ask them whether they are offended by how men portray women in rap and hip-hop music. The random variable represents the number of adults who are offended by how men portray women in rap and hip-hop music. (Source: Empower Women)