Question

For X ~ B(n, p) and P(X = x) = `""^8"C"_x(1/2)^x (1/2)^(8 - x)`, then state value of n and p

Answer 1

P(X = x) = `""^"n""C"_x"P"^x"q"^("n" - x)`

For X ~ B(n, p) and P(X = x) = `""^8"C"_x(1/2)^x (1/2)^(8 - x)`

Comparing with equation (i), we get

n = 8 and p = `1/2`