Find the a) mean, b) standard deviation and c) variance of the given probability distribution. 1) The number of golf balls ordered by customers of a pro shop has the following probability 1) a. distribution. x |P(x) 3 0.14 6 0.05 9 0.36 12 0.35 15 0.10 b. C. 2) a. 2) The probabilities that a batch of 4 computers will contain 0, 1, 2, 3, and 4 defective computers are 0.5470, 0.3562, 0.0870, 0.0094, and 0.0004, respectively. Round answer to the nearest hundredth. b. C.