Wednesday

November 26, 2014

November 26, 2014

Posted by **James** on Monday, July 11, 2011 at 8:26pm.

- MATH -
**Max**, Monday, July 11, 2011 at 8:32pmFirst, let's consider the probability that none of the balls are red, or all of them are blue. There are 9 balls, 4 of which are blue. So the chance that 3 blue balls will be chosen is 4/9 * 3/8 * 2/7, or 1/21. You can do the rest from here.

**Answer this Question**

**Related Questions**

Math - A bag contains three black balls, four white balls and five red balls. ...

Probability again - A box contains 6 red balls, 4 blue balls, and 2 green balls...

math - A box contains 8 blue balls and 2 red balls. Three balls are selected ...

MATH Prob. - A box contains two black balls and three gold balls. Two balls are ...

math - A box contains two black balls and three gold balls. Two balls are ...

Math - A bag contains 6 black balls,5 red balls and 4 white balls,if 3 are ...

Math - A bag contains 6 black balls,5 red balls and 4 white balls,if 3 are ...

statistics - A box contains 3 white and 5 black balls. Four balls are drawn at ...

statistics - Suppose a box has eight differently colored tennis balls in it. The...

Finite - An urn contains 5 white balls and 4 black balls. If 3 balls are ...