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What is the probability that a randomly taken leap year has 52 Sundays . . .

Question : What is the probability that a randomly taken leap year has 52 Sundays ?

Doubt by Divya

Solution : 

In a leap year, there are 366 days which can be divided as 52 Full Weeks + 2 Additional days.

These two extra days could be 
1.) (Mondyay, Tuesday)
2.) (Tuesday, Wednesday)
3.) (Wednesday, Thursday)
4.) (Thursday, Friday)
5.) (Friday, Saturday)
6.) (Saturday, Sunday)
7.) (Sunday, Monday)

Total Possible outcomes = 7

In order to have 52 sundays, these two extra days should not be Saturday, Sunday) & (Sunday, Monday)

So, favourable outcomes = {(Mondyay, Tuesday), (Tuesday, Wednesday), (Wednesday, Thursday), (Thursday, Friday), (Friday, Saturday)}= 5

P(52 sundays in a leap year) = 5/7