Question: Given the probability distribution complete the following parts: distribution A distribution B x1 P(X=x1) x1 P(X=x1) 0 0.45 0 0.05 1 0.21 1 0.12 2

Given the probability distribution complete the following parts: distribution A distribution B

x1 P(X=x1) x1 P(X=x1)

0 0.45 0 0.05

1 0.21 1 0.12

2 0.17 2 0.17

3 0.12 3 0.21

4 0.05 4 0.45

a. compute the expected value for each distribution

b. compute the standard deviation for each distibution

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

d. Compare the results in Distribution A and B

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