106 Given that x is a hypergeometric random variable with N = 10, n = 5, and r = 7:

a. Display the probability distribution for x in tabular form.

b. Compute the mean and variance of x .

c. Graph p1x2 , and locate m and the interval m { 2s on the graph.

d. What is the probability that x will fall within the interval m { 2s ?