In a binomial distribution, if n = 20 and q = 0.75, then write it… - Vidyadip

Question

In a binomial distribution, if n = 20 and q = 0.75, then write its mean.

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Answer

$\text{n}=20,\text{q}=0.75$
$\Rightarrow\text{p}=1-\text{q}=0.25$
$\text{Mean = np}=20(0.25)=5$
Thus, $\text{Mean = 5}$

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