Posted by **Bart** on Monday, February 14, 2011 at 11:35pm.

I do not understand how to figure out probability.

Lee has an urn with 8 white marbles and 10 black marbles. A marble is drawn at random and not replaced. Then a second marble is drawn randomly. What is the probability that the first is white and the second is black?

## Answer this Question

## Related Questions

- Algebra 1 - I do not understand how to figure out probability. Lee has an urn ...
- Math - A bag contains 2 white marbles and 7 purple marbles. Two marbles are ...
- math - an urn contains 6 purple marbles and 4 pink marbles. a marble is drawn at...
- Math - Can somebody help me solve this problem ? I am not so good with ...
- Math - A bag contains 4 green marbles, 6 red marbles, and 2 white marbles. Three...
- Math - A bag contains 4 green marbles, 6 red marbles, and 2 white marbles. Three...
- lpu collage - An urn contains 7 red and 3 white marbles. Three marbles are ...
- Math - A jar contains 5 red marbles and 3 green marbles. A marble is drawn at ...
- Algebra 2 - a bag contains 3 red marbles and 6 green marbles a marble is drawn ...
- Algebra 2 - a bag contains 3 red marbles and 6 green marbles a marble is drawn ...