Question

You have a bag of 10 marbles. three of them are red, five are blue, and two are green. what is the probability of randomly picking a green or blue marble out of the bag?

Answer 1

7/10 is the correct answer.

Step-by-step explanation: You can the total of the different colors and then put that number in the fraction above the total number on bottom. It can not simplify down so you are done with 7/10. Answer was also confirmed on me getting it correct on my test so no worries. I hope that helps! Thanks!

Answer 2

probability when picking one is just number of "correct" anwsers devided by the total picking from

2 are green, 5 are blue, so 7 marbles are correct
the chance of picking one correct equals 7/10