已知随机变量x服从正态分布,且
=0.9544,
=0.6826,若
=4,
=1,则P(5<x<6)=( )
A.0.1358 | B.0.1359 | C.0.2716 | D.0.2718 |
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已知随机变量x服从正态分布,且
=0.9544,
=0.6826,若
=4,
=1,则P(5<x<6)=( )
A.0.1358 | B.0.1359 | C.0.2716 | D.0.2718 |