Posted by **Anonymous** on Thursday, October 18, 2007 at 10:04pm.

A bag contains 2 white marbles, 4 blue marbles, and 5 red marbles. Three marbles are drawn from the bag. What is the probability that not all of them are red?

- math -
**Reiny**, Thursday, October 18, 2007 at 10:36pm
First find the prob that ALL of them ARE red, which is

(6/11)(5/10)(4/9) = 2/33

So the prob that not all of them are red

= 1-2/33

=31/33

- math -
**JJJ**, Monday, March 12, 2012 at 12:14pm
There are 5 marbles in a box. One is black, one is yellow, one is red, one is purple and one is orange.

Please answer this

- math -
**trolol**, Wednesday, March 14, 2012 at 12:28am
The answer is 5 marbles in a box. One is black, one is yellow, one is red, one is purple and one is orange.

- math -
**dayja**, Monday, February 25, 2013 at 8:08pm
It will be 5/5 because it 's only one each

## Answer This Question

## Related Questions

- Math - A bag contains 9 red marbles, 8 white marbles, and 6 blue marbles. You ...
- math - A bag contains 5 red marbles, 6 white marbles, and 8 blue marbles. You ...
- prealgebra - a bag contains 6 red marbles, 5 yellow marbles, 7 blue marbles, and...
- Math - A bag contains 9 red marbles, 8 white marbles, and 6 blue marbles. You ...
- Math "Need Help Asap"! - 1.)There are 35 marbles in a bag:9 blue marbles, 8 ...
- Math - A bag contains 4 green marbles, 6 red marbles, and 2 white marbles. Three...
- Math - A bag contains 4 blue marbles and 4 red marbles. If three marbles are ...
- math - the bag contains 20 red marbles and30 white marbles and 40 blue ones what...
- Discrete Math - A bag contains 5 red marbles, 4 yellow marbles, 3 green marbles...
- Maths - A bag contains marbles of three different colours red, blue , yellow. 2/...

More Related Questions