VSA2 marksYear: 2020MediumCBSE Class 10
probabilityleap-year
Question
Find the probability that a leap year selected at random will contain 53 Sundays and 53 Mondays.
Solution
1
366 days =52 weeks +2 days. Total possible outcomes are 7: (SM, MT, TW, WTh, ThF, FS, SS)
+0.5 marks2
Favourable outcome (53 Sundays and 53 Mondays) =1 (Sunday, Monday). P=71
+1.5 marks