Posted by **John** on Thursday, April 12, 2012 at 12:42am.

You have 7 red marbles and 5 green marbles in a bag. You select one, do not replace it then select another.

Find P(red,red) and P (green,green). Write probabilites as a percent and rounded to the nearest whole percent.

Find P(red,green) and P (green,red). Compare.

- math -
**PsyDAG**, Friday, April 13, 2012 at 2:10pm
the probability of both/all events occurring is found by multiplying the probabilities of the individual events.

P(red,red) = 7/12 * 6/11 = ?

P (green,green) = 5/12 * 4/11 = ?

P(red,green) = 7/12 * 5/11 = ?

P (green,red) = 5/12 * 7/11 = ?

How do the last two compare?

## Answer this Question

## Related Questions

- Math - A bag of marbles contains only green and red marbles. All of the marbles ...
- math - sally has a bag with red,blue, and green marbles. She has twice as many ...
- Math ~ Check Answers ~ - 1. There are 35 marbles in a bag: 9 blue marbles, 8 ...
- Math - A container holds 12 red marbles, 10 blue marbles, and 14 green marbles. ...
- math check probability - 5. A bag contains 7 green marbles and 4 white marbles. ...
- pre-calculus - An urn contains 7 red marbles labeled (1,2,3,4,5,6,7) and 5 green...
- Discrete Math - A bag contains 5 red marbles, 4 yellow marbles, 3 green marbles...
- Algebra - A box contains 15 blue marbles, 25 yellow marbles, 20 green marbles ...
- 10th grade - mary has a bag which contains 5 green marbles, 7 red marbles, and 9...
- algebra2/ Trigonometry - A bag contains 24 green marbles, 22 blue marbles, 14 ...

More Related Questions