suppose that x is a gaussian random variable with mean 2 and

suppose that x is a gaussian random variable with mean 2 and variance 1 ,y=5x find the probability that y is greater than 0
galenzhang 1年前 已收到1个回答 举报
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N(2,1)
那么X-2~N(0,1)
P(Y>0)
=P(5X>0)
=P(X>0)
=P((X-2)>-2)
=1-P((X-2)

1年前

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