Question: X is a random variable. It is known that X is exponential with mean 3 when 0. Similarly, X is discrete uniform (-5,-1) when X

X is a random variable. It is known that X is exponential with mean 3 when 0. Similarly, X is discrete uniform (-5,-1) when X<0. It is also known that P[X<0]=0.4. Find the probability density function of X when X^2>5.

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