Answer:
Step-by-step explanation:
Using binomial distribution,
[tex]p=\left(\begin{array}{c} 8\\ 6\end{array}\right)*(\dfrac{1}{2} )^6*(\dfrac{1}{2} )^2\\\\\\=\dfrac{8*7*6*5*4*3}{6*5*4*3*2*1} *\dfrac{1}{256} =\dfrac{28}{256} =\dfrac{7}{64} \\\\[/tex]