Given X~ B (n,P) If n= 10 and p=0.4 , find E(X) and Var (X) .

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Given X~ B (n,P) If n= 10 and p=0.4 , find E(X) and Var (X) .
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11. If U = {x : x€Z, –2 < x <10}, A = {x : x = 2p+1, p€Z, –1 < p < 4}, B = {x : x = 3q+1, q€Z, –1< q <4}
verify De Morgan’s laws for complementation.
Please tell me the answer

Mahalakshmi-trqb