Posted by **Tom** on Wednesday, May 21, 2008 at 6:46pm.

An urn contains 7 red marbles labeled {1,2,3,4,5,6,7} and 5 green marbles labeled {1,2,3,4,5}. Four marbles are pulled out at once. What is the probability that

A. All four marbles are red?

B. More of the marbles are green than red?

C. Both red and green marbles are present?

D. Two of the marbles chosen are both labeled "5"?

- Probability -
**Tom**, Wednesday, May 21, 2008 at 6:54pm
I've tried but i need help =/

- Probability -
**Anonymous**, Wednesday, April 13, 2011 at 1:47pm
You are randomly drawing marbles from a bag containing 4 blue and 2 green marbles, replacing the marbles between draws. Which of the following will give the probability of drawing a blue marble on both your first and second draws?

## Answer this Question

## Related Questions

- pre-calculus - An urn contains 7 red marbles labeled (1,2,3,4,5,6,7) and 5 green...
- probability problem - A box contains 6 green, 8 red, 5 yellow, and 10 blue ...
- Discrete Math - A bag contains 5 red marbles, 4 yellow marbles, 3 green marbles...
- Math-Probability - Hello, I'm trying to figure out this probability problem. Can...
- Math - A bag of marbles contains only green and red marbles. All of the marbles ...
- Algebra - Out of jar with 100 marbles, 49 are blue marbles, 7 are green marbles...
- Mathematics - There are 2 white marbles in urn A and 4 red marbles in urn B . At...
- probability - A bag contains 3 red marbles, 3 blue marbles and 3 yellow marbles...
- Math - Suppose an urn contains 8 red,5 white and 7 blue marbles.a.If 3 marbles ...
- Probabilit - Three marbles are drawn without replacement from an urn containing ...