A manager of restaurant knows that 30% of his customers are professional truckers. The manager surveys the next 12 customers who come into the restaurant to determine
if they are professional truck drivers or not. 1. Does this situation meet the binomial requirements? Why or why not? Address the five conditions of a binomial
distribution in the textbook. 2. What is the random variable in this problem? (i.e., what does X represent and what values can it have?) 3. What is the probability
that exactly 4 are truck drivers? 4. What is the probability that 5 or fewer are truck drivers? 5. What is the probability that at least 4 are truck drivers? 6. What
is the probability that at most 4 are truck drivers?
