Question 977328
{{{P(X)=C(4,X)*(0.7)^X*(0.3)^(4-X)}}}
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{{{P(0)=C(4,0)*(0.7)^0*(0.3)^(4-0)=1*1*0.3^4=0.008}}}
{{{P(1)=C(4,1)*(0.7)^1*(0.3)^(4-1)=4*0.7*0.3^3=0.076}}}
{{{P(2)=C(4,2)*(0.7)^2*(0.3)^(4-2)=6*0.7^2*0.3^2=0.265}}}
{{{P(3)=C(4,3)*(0.7)^3*(0.3)^(4-3)=4*0.7^3*0.3=0.412}}}
{{{P(4)=C(4,4)*(0.7)^4*(0.3)^(4-4)=1*0.7^4*1=0.240}}}