The next parameter on which sampling can be classified is Sampling based on whether Ordering (Arrangement) of the elements selected is considered or not. In this case too, as in the case of sampling with or without replacement let us look at two examples that will help us learn the concept better.Example 1. In how many ways can a group of students elect a President and a Vice … [Read more...] about Permutation Combination and Probability – Sampling with / without ordering
GMAT Math
Permutation Combination and Probability – Sampling with / without replacement
HiThese two topics are invariably considered by many GMAT aspirants to be tougher than a whole lot of other topics in the quant section of the GMAT test.The biggest advantage with a Permutation Combination or a Probability question is that many a times you will not have the need to do any calculation at all. Most answers will be either mentioned in terms of factorials or as 3C2 … [Read more...] about Permutation Combination and Probability – Sampling with / without replacement