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July 3, 2015

Homework Help: Statistics/Probability

Posted by Heidi on Wednesday, July 9, 2014 at 4:32pm.

The probability the New Year's day is on Saturday is a randomly chosen year is 1/7.
15 years was chosen randomly. Find the probability that,
(1) Exactly four of these years have a New Year's day on a Saturday.
(2) At least two of these years have New Year's day on a Saturday.

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