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May 23, 2015

Homework Help: Statistics

Posted by Christie on Friday, February 12, 2010 at 4:46pm.

I am stuck on this probability question:
Any suggestions of where to start would be great!! Thanks!

Given 20 people, what is the probability that among the 12 months
in the year there are 2 months containing exactly 4 birthdays each and there are 6
months containing exactly 2 birthdays each? Assume that each month is equally
likely and birthdays are independent.

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