Answer the following: 1. The number of patients seen in the ER in any given hour is a random variable represented by x. The probability distribution for x is: 10 11 12 13 14 P(x) .4 .2 .2 .1 .1 Find the probability that in a given hour: a. exactly 10 patients arrive b. exactly 15 patients arrive 2. Six balls numbered 1, 2, 3, 5, 8, and 13 are placed in a box. A ball is selected at random, and its number is recorded and then it is replaced. Find the expected value of the numbers that will ocur.

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