# Let X~b[n, p). We say that X is symmetric if f(x) = f(n – x) for all x. Prove that X is symmetric if

Let X~b[n, p). We say that X is symmetric if f(x) = f(n – x) for all x. Prove that X is symmetric if and only if p = 1/2.

Let X~b[n, p). We say that X is symmetric if f(x) = f(n – x) for all x. Prove that X is symmetric if and only if p = 1/2.