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4. Suppose a random variable X has the survival function 0 0 compute E (X). (b) Compute E (X) using the formula OO E(H (X))

4. Suppose a random variable X has the survival function 0 0 compute E (X). (b) Compute E (X) using the formula OO E(H (X)) = s(x) H (x) dx (c) Compute E (X2) by using the formula in (a) and then by using the formula in (b)

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