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.

Find the mean, variance, and standard deviation of the binomial distribution for the given random variable. Interpret the results.