Question: 2) Let T, and Ty be independent future lifetime random variables, each with an exponential distribution with mean 20. Find the value of Var

2) Let T, and Ty be independent future lifetime random variables, each

2) Let T, and Ty be independent future lifetime random variables, each with an exponential distribution with mean 20. Find the value of Var (Tay). Hint: Try EXP(x + y) where E(T) = 1/. ~

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