1.

The formula of calculating the expected value of random variable x of gamma distribution is as

A. E(x) = n ⁄ μ
B. E(x) = pq ⁄ μ
C. E(x) = μ ⁄ np
D. E(x) = α ⁄ μ
Answer» B. E(x) = pq ⁄ μ


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