Question

If a leap year is selected at ramdom, what is the probabilty that it will have 53 tuesdays. [4mark question]

Answer 1

leap year has complete 52 weeks . Remaining 2 day can be any two days of week . probability = no of Tuesday in week / no of days in week . = 1/7

Answer 2

A leap year has 52 full weeks and 2 extra days. These two extra days can be (sun,mon), (mon,tue), (tue,wed), (wed,thur), (thur, fri), (fri, sat) and (sat, sun). Out if these 7 cances, there are two chances for tuesdays.
So the probability is 2/7