Probability · Question 22 · Medium
What is the probability that a leap year, chosen at random, has 53 Sundays?
- 53/366
- 1/7
- 2/7
- 3/7
Answer and explanation
Answer: C. 2/7
Explanation: A leap year has 52 full weeks plus 2 extra days. The 7 equally likely pairs (Sun–Mon, Mon–Tue, …, Sat–Sun) include Sunday in 2 cases. Probability = 2/7.
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