The moment generating function M (t) for random variables y are as follow. Examine and identify the distribution of the random variables and state the parameter involves. e + 2 M(t)= (+²) 3 M() = (3-26) 3-2e² 5 M(t)= () M(t)= 5 5-t

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A: To find the value E[X(1-X)].

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Q: The cumulative distribution function of random vartable X is x 1. Fx (x) = 1 Find: P(Xs1)And P(X=1)

A: P(X≤1)=FX(1)=1 [from the last row of the function]