Question 1084054
{{{P(X)=C(3,X)*(0.1)^X*(0.9)^(3-X)}}}
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*[illustration CD4.JPG].
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a.{{{P(X=3)=0.001}}}
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b.{{{P(X=0)=0.729}}}
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c. At least 1 means all but zero.
{{{P(X>0)=1-P(0)}}}
{{{P(X>0)=1-0.729}}}
{{{P(X>0)=0.271}}}