A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 5 years ago
There are 3 red, 1 blue, and 2 yellow marbles in a bag. Once a marble is selected, it is not replaced.
Probability of red then blue
anonymous
 5 years ago
There are 3 red, 1 blue, and 2 yellow marbles in a bag. Once a marble is selected, it is not replaced. Probability of red then blue

This Question is Closed

sandra
 5 years ago
Best ResponseYou've already chosen the best response.0hmmm interesting, going to have to brush up on prob really quick

sandra
 5 years ago
Best ResponseYou've already chosen the best response.0ok so this looks like the right track... but it's not exactly easy

sandra
 5 years ago
Best ResponseYou've already chosen the best response.0http://www.onlinemathlearning.com/probabilitywithoutreplacement.html

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0so do you know the answer?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0I like need help badly!

sandra
 5 years ago
Best ResponseYou've already chosen the best response.0well, the red has to be selected first

sandra
 5 years ago
Best ResponseYou've already chosen the best response.0so the probability of that is 3/6 (1/2)

sandra
 5 years ago
Best ResponseYou've already chosen the best response.0now you need the next one to be blue

sandra
 5 years ago
Best ResponseYou've already chosen the best response.0bu there are less reds left  one less in fact

sandra
 5 years ago
Best ResponseYou've already chosen the best response.0so the probability of a blue at that point is 1/5

sandra
 5 years ago
Best ResponseYou've already chosen the best response.0so that means the total probability is 1/2 * 1/5 = 1/10
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.