Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing
help123please.
Group Title
Joe has 4 red pens, 1 green pen, 2 blue pens, and 3 black pens.
What is the probability he will randomly select a black pen and then,without replacing it, randomly selecti a blue pen?
 one year ago
 one year ago
help123please. Group Title
Joe has 4 red pens, 1 green pen, 2 blue pens, and 3 black pens. What is the probability he will randomly select a black pen and then,without replacing it, randomly selecti a blue pen?
 one year ago
 one year ago

This Question is Closed

help123please. Group TitleBest ResponseYou've already chosen the best response.0
@AriPotta
 one year ago

AriPotta Group TitleBest ResponseYou've already chosen the best response.0
OH I'M SORRY. I'M NOT GOOD WITH PROBABILITY
 one year ago

help123please. Group TitleBest ResponseYou've already chosen the best response.0
ITS OK ARI
 one year ago

RadEn Group TitleBest ResponseYou've already chosen the best response.1
P(Black) = 3/10 P(Blue) = 2/9 multiply of both
 one year ago

electrokid Group TitleBest ResponseYou've already chosen the best response.2
event A: selecting "1" black from a total of (4+1+2+3)=10; \[P(A)={3\over10}\] event B: selecting "1" blue from the remainning "9" \[P(B)={2\over9}\] now, the events are mutually independent... \[P(A\cap B)=P(A)\times P(B)={3\over10}\times{2\over9}\]
 one year ago

help123please. Group TitleBest ResponseYou've already chosen the best response.0
Oh, ok, thanks!
 one year ago

help123please. Group TitleBest ResponseYou've already chosen the best response.0
IDK who to give BEST ANSWER to. LOL.
 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.