Step-by-step explanation:
Use binomial probability:
P = nCr p^r q^(n-r)
where n is the number of trials,
r is the number of successes,
p is the probability of success,
and q is the probability of failure (1-p).
Given n = 25, r = 5, p = 0.5, and q = 0.5:
P = ₂₅C₅ (0.5)⁵ (0.5)²⁵⁻⁵
P = 0.00158
