Question 1038208
{{{P(X)=C(11,X)*(0.63)^X*(1-0.63)^(11-X)}}}
So then,
{{{P(2)=55(0.63)^2(0.37)^9=0.0028}}}
{{{P(3)=165(0.63)^3(0.37)^8=0.0145}}}
{{{P(4)=330(0.63)^4(0.37)^7=0.0494}}}
So then,
{{{P=P(2)+P(3)+P(4)}}}
{{{P=0.0667}}}