203. Four distinct integers are chosen randomly and without replacement from the first twelve
positive integers. X is the random variable representing the second smallest of the four
selected integers, and p is the probability function of X.
Determine p(x) for x = 2,3,…,10.
(A)

(B)

(C)

(D)

(E)
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1. 題目解析 本題要求計算從前12個...