Ask
your own question, for FREE!

Mathematics

OpenStudy (anonymous):

Find the probability for the experiment of drawing two marbles (without replacement) from a bag containing three green, four yellow, and five red marbles such that the marbles are different colors.

Still Need Help?

Join the QuestionCove community and study together with friends!

OpenStudy (anonymous):

with or without the replacement

OpenStudy (anonymous):

without replacement

OpenStudy (anonymous):

oh its easy

OpenStudy (anonymous):

12

OpenStudy (anonymous):

but the marbles that you choose need to be different colors, so the choices are 47/132, 47/30, 47/66, 1/6, and 2/3

Still Need Help?

Join the QuestionCove community and study together with friends!

OpenStudy (anonymous):

u have to solve it this way: if green and yellow marbles are drawn, then it can be done in 3*4 ways=12 ways similarly: yellow, red---------20 green, red---------15 total 12+20+15 ways=47 ways u have to select 2 marbles from 12, so it can be done in 12C2=66 ways.. so, probability: 47/66

OpenStudy (anonymous):

Thanks so much for your help!

OpenStudy (anonymous):

welcome :)

Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!

Join our real-time social learning platform and learn together with your friends!

Latest Questions

kavyabala:
two weeks after i lent francesca.......favorite book, i asked how she liked it so

17 minutes ago
15 Replies
1 Medal

Alexander1234:
Quadrilateral OPQR is inscribed in circle N, as shown below. Which of the followi

1 hour ago
0 Replies
0 Medals

Jboot:
Hello to use a mixture of compost and topsoil in her garden she purchased a total of 10 yd.

5 hours ago
0 Replies
0 Medals

marisatapita:
Explain what is revealed in the following passages about anglo-Saxon values and beliefs.

4 hours ago
9 Replies
0 Medals

marisatapita:
reread the following passages. how does the poet's use of alliteration influence

5 hours ago
1 Reply
0 Medals

Jxcelyn10:
if u visit the Senate chamber during a session on an average day, you're most lik

2 hours ago
6 Replies
0 Medals

kallaghab:
Hamlet acts similarly to Claudius in the way he treats whom?

6 hours ago
2 Replies
0 Medals

Faithpark123:
What is the sum of the measures of the interior angles formed by the boundary of

6 hours ago
1 Reply
0 Medals