Given the probability distribution complete the following parts: A B

x1 P(X=x1)

Compute the value for each distribution 0 0.45

1 0.12

2 0.17

3 0.21

4 0.45

b.compute the standard deviation for each distribution

c.what is the probability that x will be at least 3 in Distribution A and Distribution B

d. Compare the results of Distribution A and Distribution B

What is the expected value of distribution A