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

how do u find probability?

- math -
**bobpursley**, Saturday, December 15, 2007 at 3:48pm
By 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

## Answer This Question

## Related Questions

- math probability - this is a probability question... Suppose you are asked to ...
- statistics - Let a random variable be distributed as shown below X=x : 0,1,2,3,4...
- Math Probability - If the probability that event A will happen is 1/4 and the ...
- stat - Three coins are tossed, and the number of heads observed is recorded. (...
- statistics - Find the indicated binomial probabilities. Round to the nearest 3 ...
- Math - Alberto figures that the probability of his hockey team winning on ...
- math - Emily surmises that the probability tht she will pass math or chemistry ...
- statistics - Find the indicated binomial probabilities. Round to the nearest 3 ...
- Math 221 Week3 - A probability experiment consists of rolling a 6 sided die. ...
- PROBABILITY MATH HELP!!!!! DICE - A die is rolled. Find the probability of the ...

More Related Questions