Q. Three fair coins are tossed. What is the probability of getting at least one Head?
β
Correct Answer: (C)
7/8
Explanation: Using complement: P(no Head) = (1/2)^3 = 1/8. Therefore, P(at least one Head) = 1 - 1/8 = 7/8.
Explanation by: Krishna Sharma
Using complement: P(no Head) = (1/2)^3 = 1/8. Therefore, P(at least one Head) = 1 - 1/8 = 7/8.