10 一連續隨機變數 X 服從均勻分配(2,10)，下列何者正確？
(A)μ = 5，P(X <6) = 0.5
(B)μ = 6，P(X <6) = 0.5
(C)μ = 6，P(X <6) = 0.6
(D)μ = 7，P(X <6) = 0.4

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統計： A(8), B(106), C(7), D(4), E(0) #710096

詳解 (共 1 筆)

#1420679
μ = (10+2)/2 = 6
P(X < 6) = 1/(10-2)*(6-2) = 1/8*4 = 1/2 = 0.5
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