Let A1, A2, · · · , An be independent and identically distributed random variables where E(A1) = µ. Also, let T = A1 + A2 + · · · + An.
(a) Compute E(A1A2A3A4|A1). The answer should be expressed in terms of A1
(b) Simplify E(A1|T) + E(A2|T) + · · · + E(An|T)
(a) Compute E(A1A2A3A4|A1). The answer should be expressed in terms of A1
(b) Simplify E(A1|T) + E(A2|T) + · · · + E(An|T)