Question: 3. (a) Let X be a discrete random variable such that P(X = 0) =1 -x and P(X = 40) = 7 and 0 otherwise,

3. (a) Let X be a discrete random variable such that

3. (a) Let X be a discrete random variable such that P(X = 0) =1 -x and P(X = 40) = 7 and 0 otherwise, where 0

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