Chapter 13 • Class 12 Mathematics
Probability
Class 12 Probability — conditional probability, multiplication theorem, Bayes' theorem, random variables, mean and variance. Solved examples and MCQ tests for CBSE and ISC.
Study by topic — one focused page each
1
Conditional Probability & Multiplication Rule
Conditional probability is the probability of given that has occurred: Multiplication rule Rearranging gives the probability that both events happen: …
Start this topic → 2Total Probability & Bayes’ Theorem
When an outcome can arise through several mutually exclusive "causes", two results let us move between forward and reverse probabilities. Law of total…
Start this topic → 3Random Variables & Probability Distributions
A random variable assigns a number to each outcome of an experiment (e.g. the number of heads in two tosses). A probability distribution lists each va…
Start this topic →Chapter-wide tests
Online Test
10 MCQ • 20 min
IMO / Olympiad Practice
Olympiad level • 20 min
📝 Full Chapter Test (Download & Print)
35 marks • 75 min • with answer key