Answer
Expected value:
$E(X)=120$ women.
Standard deviation:
$σ_X=6.928$ women.
Work Step by Step
n = 200 and p = 0.6
Expected value:
$E(X)=μ_X=np=200\times0.6=120$
Standard deviation:
$σ_X=\sqrt {np(1-p)}=\sqrt {200\times0.6(1-0.6)}=\sqrt {200\times0.6\times0.4}=6.928$
