Question: 5. (15 points) A random variable X can assume four values: 0, 3, 6, 9. A portion of the probability distribution is shown here: X

5. (15 points) A random variable X can assume four values: 0, 3, 6, 9. A portion of the probability distribution is shown here: X D 3 6 9 .2 .1 .4 . (a) (7 points) Find P(X 2 6) (b) (8 points) Compute the mean ax

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