For a binomial with n = 25 and p = .5, determine (a) P(p 15/25), (b)

For a binomial with n = 25 and p = .5, determine

(a) P(pˆ ≤ 15/25), (b)

P(pˆ > 15/25),

(c) P(10/25 ≤ pˆ ≤ 15/25).