Question

What is the probability that a leap year selected at random will contain either 53 Thursdays or Friday?

Answer 1

Answer:

For a leap year to have either 53 Thursday or 53 Friday, it must have them in the two days. 52 weeks and 2 days. So we can have any of these combinations, a Wednesday and Thursday, a Thursday and Friday, a Friday and Saturday. Thus the probability is 3/7.

Answer 2

Answer:

Here is the answer

Hope it helps