## Question 896:

1. Given the following probability distributions:Group A

X P(X)

2 0.15

4 0.20

6 0.25

8 0.15

10 0.25

a. Compute the expected value for the group

b. Compute the standard deviation for the group

Group A

X P(X)

2 0.15

4 0.20

6 0.25

8 0.15

10 0.25

a. Compute the expected value for the group

b. Compute the standard deviation for the group