98.8k views
5 votes
A bag has four green marbles, three red marbles, and three yellow marbles. What is the probability that you pick a yellow marble, do not replace it, and pick another yellow marble?

User Cube
by
6.5k points

2 Answers

5 votes

Answer:

1/15 is the answer guys! Not 2/15 or anything else.

Explanation:

User Vibhuti
by
6.2k points
2 votes

Explanation:

add all marbles together:

4 (green) + 3 (red) + 3 (yellow) = 10 marbles total

if we pick a yellow marble out of the bag and do not replace it, then we have 2 yellow marbles left.

we need to add marbles again with one yellow marble subtracted.

4 (green) + 3 (red) + 2 (yellow) =

new Total is 9 marbles.

so then we have 2 yellow marbles out of 9 total marbles.

2:9

or 2/9

or .22 (22%)

is the probability

User Duncan Babbage
by
6.8k points
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