A community for students.
Here's the question you clicked on:
 0 viewing
is3535
 one year ago
A bag contains 3 red marbles, 5 yellow marbles, and 4 blue marbles. One marble is chosen at random. What is the probability that the chosen marble will be blue?
is3535
 one year ago
A bag contains 3 red marbles, 5 yellow marbles, and 4 blue marbles. One marble is chosen at random. What is the probability that the chosen marble will be blue?

This Question is Closed

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1how many blue marbles are there? how many total marbles are there?

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1yes! so, what is the probability of getting blue?

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1not quite! think of it this way: probability of getting blue = number of blue/number of total marbles

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1number blue marbles = ? number of total marbles = ? number of blue marbles/number of total marbles = ?

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1right! so what is the number of blue marbles/the number of total marbles?

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1oh, I'm sorry, you made a mistake earlier! how many total marbles are there? your original answer was wrong and I didn't see it what is 3 + 5 + 4? it's not 11

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1ok! now try the probability again how many blue marbles are there? how many total marbles are there? what is the probability of getting a blue marble?

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1I'm sorry, I didn't catch your mistake earlier

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1please try again probability of getting a blue marble = number of blue marbles/number of total marbles

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1please try again: 1. how many blue marbles are there? 2. how many total marbles are there? what is the number of blue marbles DIVIDED by the number of total marbles?

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1dw:1432839886465:dw

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.1yes! 4/12 = 1/3 you're done
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.