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March 2, 2015

March 2, 2015

Posted by **alli** on Saturday, December 15, 2007 at 3:32pm.

- math -
**bobpursley**, Saturday, December 15, 2007 at 3:48pmBy looking under random rocks?

Seriously, probabality is the ratio of the number of possible successes divided by the number of total possibilities.

At a dance, there are 13 boys, and 3 girls.

The probability of a male female couple is

3/16 * 13/15 Notice in each instance of fraction, it is the number of successes available divided by the number total. In the second fraction, the number total has decreased one, because a girl is removed.

There are are many ways to "do" probabllity, depending on what is given.

See:

http://en.wikipedia.org/wiki/Probability

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