Question: 7.24. Suppose that X is a random variable for which E(X) = 10 and V(X) = 25. For what positive values of a and b

7.24. Suppose that X is a random variable for which E(X) = 10 and V(X) = 25. For what positive values of a and b does Y = ax - b have expectation 0 and variance 1?

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