Explainer: Binomial Distribution- E(X
2
)
Show that Variance of a Binomial Distribution = npq
E(X
2
) = npq-npnp
E(XX)
Simplify and use j = i-1
Var(X) = E(X
2
) - E(X)
2
= npq
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Tutoring
https://www.tutorhunt.com/users/3207830548286/
Var(X) = E(X2) - E(X)2 = npq
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Tutoring https://www.tutorhunt.com/users/3207830548286/
