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For a binomial distribution with p = q = 1/2 and n = 36, what is the mean for the normal approximation?​

For a binomial distribution with p = q = 1/2 and n = 36, what is the mean for the normal approximation?​
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3 votes
For a binomial distribution with p = q = 1/2 and n = 36, what is the mean for the normal approximation?​

User Alexey Globchastyy
by
8.2k points

1 Answer

3 votes

Answer:

HI,

Explanation:


n=36\\p=q=(1)/(2) \\\\E(X)=n*p=36*(1)/(2) =18\\Var(X)=npq=36*(1)/(2)*(1)/(2)=9\\ \sigma=√(Var(X)) =3\\

User Kuberchaun
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