A community for students.
Here's the question you clicked on:
 0 viewing
 2 years ago
A jar contains 7 blue cubes, 4 blue spheres, 5 green cubes, and 6 green spheres. If you select an object at random, what is the probability that the object is green or a cube?
A. 23/22
B. 5/22
C. 9/11
D. 4
 2 years ago
A jar contains 7 blue cubes, 4 blue spheres, 5 green cubes, and 6 green spheres. If you select an object at random, what is the probability that the object is green or a cube? A. 23/22 B. 5/22 C. 9/11 D. 4

This Question is Closed

blurbendy
 2 years ago
Best ResponseYou've already chosen the best response.3Add all the stuff up: 7 + 4 + 5 + 6 = 11 + 11 = 22 probability of a green object or a cube, so add the green objects and the total cubes 11 green objects + 12 cubes. = 23 23 / 22

blurbendy
 2 years ago
Best ResponseYou've already chosen the best response.3no wait, i think i double counted

blurbendy
 2 years ago
Best ResponseYou've already chosen the best response.3No, it's C! Here's why.

blurbendy
 2 years ago
Best ResponseYou've already chosen the best response.3The only thing we're NOT counting are the BLUE spheres.

blurbendy
 2 years ago
Best ResponseYou've already chosen the best response.3There are four of them, so 22 total objects  4 blue spheres = 18 / 22 = 9 / 11

SamuelAlden917
 2 years ago
Best ResponseYou've already chosen the best response.0I am sooo sorry!

SamuelAlden917
 2 years ago
Best ResponseYou've already chosen the best response.0No best response?
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.