9 If X is a normal random variable with mean =50 and std. dev. =10, What is Xn such that a. P(XX0)=0
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9 If X is a normal random variable with mean =50 and std. dev. =10, What is Xn such that a. P(XX0)=0
9 If X is a normal random variable with mean =50 and std. dev. =10, What is Xn such that a. P(X<X0)=0.25 b. P(X>X0)=0.25 c. P(X>X0)=0.05 d. P(X<X0)=0.01
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