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.
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