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Example 8 - Chapter 13 Class 12 Probability
Last updated at April 16, 2024 by Teachoo
Multiplication rule of probability
Chapter 13 Class 12 Probability
Concept wise
- Conditional Probability - Values given
- Conditional Probability - Statement
-
Multiplication rule of probability
- Independent events
- Basic Probability
- Theorem of total probability
- Bayes theorem
- Random Variable - Defination
- Probability distribution
- Mean or Expectation of random variable
- Variance and Standard Deviation of a Random Variable
- Bernoulli Trials
- Binomial Distribution
Transcript
Example 8 An urn contains 10 black and 5 white balls. Two balls are drawn from the urn one after the other without replacement. What is the probability that both drawn balls are black? Now, Probability both balls drawn are black = Probability first ball drawn is black × Probability second ball is black if first is black = 10/15 × 9/14 = 𝟑/𝟕
