The probability that a tutor will see 0, 1, 2, 3, or 4 students   (a)        What is the probability that the tutor see 3 students?                                               (b)       What is the probability that the number of students the tutor will see is between 1 and 3 inclusive?          (c)        What is the expected number of students that the tutor will see? (d)       What is the standard deviation?

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