Question 1110958
{{{P(X)=C(10,X)*(0.75)^X*(1-0.75)^(10-X)}}}

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*[illustration bn1.JPG].
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{{{P=P(8)+P(9)+P(10)}}}
{{{P=0.2815676+0.187712+0.056314}}}
{{{P=0.5256}}}