Question

The probability of a leap year to have exactly 52 Mondays is

Answer 1

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YOUR ANSWER IS:

In a non-leap year there will be 52 mondays and 1day will be left. This 1 day can be Sunday, Monday, Tuesday, Wednesday, Thursday,friday,Saturday, Sunday. Of these total 7 outcomes, the favourable outcomes are 1. Hence the probability of getting 53 Mondays = 1 / 7.

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Answer 2

Answer:

The probability of a leap year to have exactly 52 Mondays is 5/7.

Step-by-step explanation:

• Leap year:

         In a leap year, there are 366 days.

         So, there are 52 weeks and 2 weeks. Now the 2 days may

          have a combination of days like given below

           {(Sunday, Monday), (Monday, Tuesday), (Tuesday, Wednesday),                      

              (Wednesday, Thursday), (Thursday, Friday), (Friday, Saturday),

              (Saturday, Sunday)}

• In the above 7 combinations we have only 2 days of Monday and the remaining do not have Monday, which means there are only 5 possibilities out of total 7  possibilities.

• Hence, the Probability of leap year have 52 Mondays = 5/7

 

Know more about Random variables:

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