Question: 9.1.3 Suppose that random variables XI, . . . , X, are independent, each with the same Bernoulli distribution. Given that El=, X i =

9.1.3 Suppose that random variables XI, . . . , X, are independent, each with the same Bernoulli distribution. Given that El”=, X i = T , find: (i) The probability that X1 = 1. (ii) The covariance between Xi and Xj, 1 5 i < j 5 n.

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