1. It is called the expected value of the discrete random variable.

A. Mean B. Variance

C. Standard deviation D. Random Variable

1. The expected value of a discrete random variable is _______ to the mean of the random variable
2. Greater than B. Less than
3. Not equal D. Equal

Refer to this problem to answer problem number 3 and 4.A store that sells candy records how many packs of candy they sell per customer. They use their records to create a probability distribution concerning the packs of candy they sell per computer.

No. of packs (X)	0	1	2	3	4
P(X)	0.1	0.2	0.4	0.2	0.1

1. Illustrate the mean of the given problem above.
2. 2 B. 3 C. 3 D. 4

1. How many packs of candy per customer did the store sells?
2. 1 B. 2 C. 3 D. 4

1. Which of the following notation below is equivalent to E(x)?
2. P(x) B.