A coin is tossed five times. What is the probability that there is at the least one tail?
Q1. A coin is tossed five times. What is the probability that there is at the least one tail?
Answer: 31/32
Explanation: P(at least one tail) = 1 − P(no tails) = 1 − (1/2)⁵ = 1 − 1/32 = 31/32.