The university library records the number of books checked out by each patron over the course of one day, with the following result: X P(X) tion 0 0.20 1 0.45 2 0.20 3 0.10 4 0.05 a. Define the random variable X for this example. b. Verify that the table meets the criteria for a discrete probability distribution. c. Find the mean of the discrete probability distribution. A Ff B I Go O 82 ' F ~ () 9:09 PM 7/3/2022 DELL