已知随机变量X~N(3,22),求:(1)P{2<X<=5} (2)P{-4<x<=10} (3)P{|x|>2} (4)P{|x|<3}
已知随(2)P{-4<x<=10}(3)P{|x|>2}(4)P{|x|<3}(5)确定C值,使P{X>=C}=P{X<C}成立机变量X~N(3,2²),求:(...
已知随 (2)P{-4<x<=10} (3)P{|x|>2} (4)P{|x|<3} (5)确定C值,使P{X>=C}=P{X< C}成立机变量X~N(3,2²),求:(1)P{2<X<=5 (2)P{-4<x<=10} (3)P{|x|>2} (4)P{|x|<3} (5)确定C值,使P{X>=C}=P{X<C}成立
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