單項(xiàng)選擇題設(shè)X~N(μ,42),Y~N(μ,52),p1=P{X≤μ-4},p2=P{Y≥μ+5},則()

A.對任意實(shí)數(shù),都有p1=p2
B.對任意實(shí)數(shù),都有p12
C.對任意實(shí)數(shù),都有p1>p2
D.對任意實(shí)數(shù),都有p1≠p2


您可能感興趣的試卷