Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing
thoconnery
Group Title
a bag has 5 red marbles, 6 blue marbles and 4 black marbles. What is the probability of picking a red marble, replacing it, and then picking a black marble?
 one year ago
 one year ago
thoconnery Group Title
a bag has 5 red marbles, 6 blue marbles and 4 black marbles. What is the probability of picking a red marble, replacing it, and then picking a black marble?
 one year ago
 one year ago

This Question is Closed

sauravshakya Group TitleBest ResponseYou've already chosen the best response.0
P(R and B) = P(R) * P(B)
 one year ago

sauravshakya Group TitleBest ResponseYou've already chosen the best response.0
Can u find P(R) ?
 one year ago

thoconnery Group TitleBest ResponseYou've already chosen the best response.0
uhh...i dont exactly know what P(R) is.
 one year ago

sauravshakya Group TitleBest ResponseYou've already chosen the best response.0
Probability of picking a red marble
 one year ago

thoconnery Group TitleBest ResponseYou've already chosen the best response.0
5/15 so 1/3
 one year ago

sauravshakya Group TitleBest ResponseYou've already chosen the best response.0
Yes. Now find P(B)
 one year ago

sauravshakya Group TitleBest ResponseYou've already chosen the best response.0
Great Now, find P(R and B)
 one year ago

thoconnery Group TitleBest ResponseYou've already chosen the best response.0
9/15...3/5
 one year ago

sauravshakya Group TitleBest ResponseYou've already chosen the best response.0
P(R and B) =P(R) * P(B) = 1/3 *4/15 =?
 one year ago

thoconnery Group TitleBest ResponseYou've already chosen the best response.0
4/45 ? i think
 one year ago

sauravshakya Group TitleBest ResponseYou've already chosen the best response.0
\[\checkmark\]
 one year ago

thoconnery Group TitleBest ResponseYou've already chosen the best response.0
thank you so much!!
 one year ago

sauravshakya Group TitleBest ResponseYou've already chosen the best response.0
welcome
 one year ago
See more questions >>>
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.