If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Course: High school math (India) > Unit 7

Lesson 13: Probability
Math
High school math (India)
Class 12
Probability
© 2024 Khan AcademyTerms of usePrivacy PolicyCookie Notice

Probability 13.3

Google Classroom

Problem

There are two bags. Bag I contains 3 red and 5 black balls, and Bag II contains 2 red and 4 black balls.
A bag is chosen at random and a ball is taken out.
Find the probability that the ball is red.
Express your answer as a fraction.
  • Your answer should be
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4