GMAT Permutation Combination Probability Basics | Part II | Free GMAT Online Classes
GMAT Preparation Online | Free GMAT Online Classes | GMAT Permutation Combination & Probability Part 2
It is a sequel to the 1st session. Watch Part 1 @ • GMAT Permutation Probability Basics | Gett... before watching part 2.
What is covered in this session?
1. We start by recapping key points from session 1.
2. Classify repeated sampling in a 2 by 2 matrix categorizing on the basis of whether order matters or not and whether the sampling is done with replacement or otherwise
3. What is permutation? Derive npr with an example
4. What is combination? Derive ncr with an example
5. Establish a standard framework to solve questions that fall under the sampling without replacement category.
6. Sampling with replacement and where the order matters.
7. Few simple examples to consolidate the concepts.
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