Quit-smoking program. According to the University of South Florida’s Tobacco Research and Intervention Program, only 5% of the nation’s cigarette smokers ever enter into a treatment program to help them quit smoking (USF Magazine, Spring 2000). In a random sample of 200 smokers, let x be the number who enter into a treatment program. a. Explain why x is a binomial random variable (to a reasonable degree of approximation). b. What is the value of p? Interpret this value. c. What is the expected value of x? Interpret this value.