5.The random variable ‘X’ has probability distribution given in the table below.

x -1 0 1 2 3

P(X=x) p q 0.2 0.15 0.15

Given that E(X) = 0.55, find (i) The value of ‘p’ and ‘q’ (ii) Var(X)

asked by guest
on 2026-11-12 04:48 am



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