Sunday
March 29, 2015

Homework Help: Statistics

Posted by XYZ on Thursday, April 25, 2013 at 5:05pm.

A school is running a raffle. There are 100 tickets, of which 3 are winners. You can assume that tickets are sold by drawing at random without replacement from the available tickets. Teacher X buys 10 raffle tickets, and so does Teacher Y. Find the chance that one of those two teachers gets all three winning tickets.

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