Question: (29) Let (Xi, P:), i = 1,.. . , n be independent R.V. (i.e., (Xi, P:) is indepen- dent from (Xi, P), i #j,

(29) Let (Xi, P:), i = 1,.. . , n be independent

(29) Let (Xi, P:), i = 1,.. . , n be independent R.V. (i.e., (Xi, P:) is indepen- dent from (Xi, P), i #j, i,j = 1,... , n) such that i= 1,... , n, XP Bernoulli(P), and Beta(a, B) . Consider Y i . (a) Show that EY = na/(a+ B) na/(a+ B)2 (b) Show that Var Y

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