Written HW:

1. The probability distribution of a random variable

1. is given. Compute the mean, variance, and standard deviation of.

	1	2	3	4
(=)	.4	.3	.2	.1

2. Determine whether the experiment is a binomial experiment. Justify your answer.

A. Rolling a fair die four times and observing the number of times a 2 is thrown. ______

B. Rolling a fair die six times and observing the number that appears uppermost. ____

C. Recording the number of free-throw shots a basketball player, whose free-throw average is .895, gets after being at the free throw line 4 times. _____