AMU Engineering 2019 solved paper Solved Paper

Probability of being 53 Sundays in a leap year is

2

7

and probability of 53 Sundays in a non-leap year is

1

7

.
∴ Required probability of that in a year of the 2 2nd century chosen at random having 53 Sundays =

3

4

×

1

7

+

1

4

×

2

7

=

3

28

+

2

28

=

5

28