Posted by **Sabrina** on Tuesday, April 21, 2009 at 7:22pm.

Suzy has a bag containing 5 red marbles, 2 green ones, 4 white ones, and 3 purple ones. She grabs 9 of them. Find the probability that she does not have all the green ones. Express the answer as a fraction in lowest terms.

- College Math -
**Reiny**, Tuesday, April 21, 2009 at 9:52pm
Find the prob of getting both green ones

which is

C(2,2)*C(12,7)/C(14,9)

= 792/2002

so prob(not all green) = 1- 792/2002

= 1210/2002

55/91

## Answer this Question

## Related Questions

- MATH - Suzy has a bag containing 3 red marbles, 2 green ones, 4 white ones, and ...
- finite math - Recall from Example 1 that whenever Suzan sees a bag of marbles, ...
- math - a bag containing 3 red marbles, 2 green ones, 8 white ones, and 1 purple ...
- MATH - A bag contains 2 red marbles, 4 green ones, 1 lavender one, 2 yellows, ...
- MATH - A bag contains 2 red marbles, 4 green ones, 1 lavender one, 2 yellows, ...
- math125 - Twenty marbles are used to spell a word—9 blue ones, 5 red ones, 3 ...
- math - A bag contains 3 red marbles, 2 green ones, 1 lavender one, 2 yellows, ...
- math - the bag contains 20 red marbles and30 white marbles and 40 blue ones what...
- Intro statistics - A bag contains 7 red, 6 orange, and 9 green jellybeans. What ...
- MATH - We have two bags of marbles. The first bag has a ratio of 2 blue marbles ...