A bag has 2 green marbles, 3 red marbles, and 3 yellow marbles. What is the probability that you pick a green marble, do not replace it, and pick a red marble?
Answers:
1/28
9/56
1/8
3/28

Question

A bag has 2 green marbles, 3 red marbles, and 3 yellow marbles. What is the probability that you pick a green marble, do not replace it, and pick a red marble?
Answers:
1/28
9/56
1/8
3/28

anonymous · Answer

@Mertsj

whpalmer4 · Answer

What is the probability that you draw a green marble on the first draw?

anonymous · Answer

2/8

anonymous · Answer

2/8 multiplied by something

bahrom7893 · Answer

okay, now one of the marbles is gone.

whpalmer4 · Answer

Okay.  Now, if you've drawn a green marble, didn't replace it, what is the probability of drawing a red marble on the second draw?

bahrom7893 · Answer

so you have 7 marbles left. What's the probability you pick a red one out of those 7

anonymous · Answer

3/7

anonymous · Answer

so its 3/28 @bahrom7893 @whpalmer4

bahrom7893 · Answer

yup

anonymous · Answer

cool thank you guys again

whpalmer4 · Answer

Another way of looking at this is that there are 8*7 possible outcomes, and only 6 of them are favorable (pick 1 of 2 the green marbles followed 1 of the 3 red marbles), so 6/56 or 3/28.