Answer to Question #198629 in Statistics and Probability for Ryan

Statistics and Probability

Question #198629

Let X be a random variable . P(X=-2)=P(X=-1),P(X=2)=P(X=1),P(X=0)=P(X>0)=P(X<0) . obtain the probability mass function of X.

Expert's answer

Probability mass function:

"P(X=0)=P(X>0)=P(X<0)=1\/3"

"P(X=-2)=P(X=-1)=1\/6"

"P(X=2)=P(X=1)=1\/6"

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