# Question

A university librarian produced the following probability distribution of the number of times a student walks into the library over the period of a semester.

Find the following probabilities.

a. P(X ≥ 20)

b. P(X = 60)

c. P(X > 50)

d. P(X >100)

Find the following probabilities.

a. P(X ≥ 20)

b. P(X = 60)

c. P(X > 50)

d. P(X >100)

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