Q. . On average, two customers enter a candy shop per minute. What is the probability that in a given minute, a. exactly one customer will enter the shop? b. at least one customer will enter the shop? c. at most one customer will enter the shop? d. THINK ABOUT IT: Suppose that for the answer to part a, you got 0.3 and for part b, you got 0.2. How do you know that one or both of these answers is not correct?