A bag contains 10 marbles - 7 red, and 3 green. What is the probability that there will be exactly 1 green marble in a sample of 3?

Is it:

?

- Dec 8th 2008, 05:04 PMdan569[SOLVED] 10 marbles in a set- 7 red, 3 green. P(1 green) in sample of 5 ?
A bag contains 10 marbles - 7 red, and 3 green. What is the probability that there will be exactly 1 green marble in a sample of 3?

Is it:

? - Dec 8th 2008, 06:01 PMPlato
Is that equal to ?

- Dec 9th 2008, 02:55 AMdan569