SOLUTION: What is the probability that a 31 day month will have 5 Mondays. Assume that there is an equal chance of any one of the seven days being the first day of the month. Show all workin

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Question 439750: What is the probability that a 31 day month will have 5 Mondays. Assume that there is an equal chance of any one of the seven days being the first day of the month. Show all working.
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
Any 31 day month whose 1st day is a Saturday, Sunday or Monday has 5 Mondays.
3/7 of 31 day months begin with those 3 days.
3/7 is the probability that a 31 day month will have 5 Mondays.
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Ed