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Answer (Choose 1 answer)
Let the random variable X have a discrete uniform distribution on the integers 1 ≤x≤ 9. Determine the mean and variance of X
A. E(X) = 10 and V(X) = 1.269
B. E(X) = 15 and V(X) = 16.238
C. E(X) = 8 and V(X) = 4.267
D. E(X) = 5 and V(X) = 6.667
