87.6k views
0 votes
What's the probability of selecting a red marble from a bag of marbles with:

10 Red Marbles
20 Black Marbles
30 Blue Marbles

NEED HELP!!!

User CSan
by
6.8k points

2 Answers

5 votes
The probability is about 15%
User Chris Stocking
by
6.5k points
5 votes
First, we need to establish that there's 60 marbles in the bag. We also need to know that there are 10 red ones to continue.

Now, all we have to do is to show the probability in a fraction: 10/60, which can be simplified to 1/6.

So --> P (R) = 1/6. Hope this helped!
User Deepansh Arora
by
6.9k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.