(c) Let T=X1+X2++Xn where the Xis are independently and identically Bernoulli distributed
random variables with parameter p. Using the probability generating function of T, find
Var[n(n1)T(T1)] (5 marks).
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(c) Let T=X1+X2+�+Xn where the Xis are independently and identically .pdf
1. (c) Let T=X1+X2++Xn where the Xis are independently and identically Bernoulli distributed
random variables with parameter p. Using the probability generating function of T, find
Var[n(n1)T(T1)] (5 marks)