Question 977503
{{{P(8)=C(15,8)(0.5)^8(0.5)^(15-8)}}}
{{{P(5)=C(15,5)(0.5)^5(0.5)^(15-5)}}}
{{{P=P(8)+P(5)}}}
{{{P=C(15,8)(0.5)^15+C(15,5)(0.5)^15}}}
{{{P=(0.5)^15(C(15,8)+C(15,5))}}}
{{{P=(0.5)^15(6435+3003)}}}
{{{P=(0.5)^15(9438)}}}
{{{P=(0.5)^14(4719)}}}
{{{P=4719/16384}}}