A university librarian produced the following probability distribution of the number of times a student walks into

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 â‰¥ 20)
b. P(X = 60)
c. P(X > 50)
d. P(X >100)

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...