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U5 Stats Vocab
U5 Terms and Definitions
| Term | Definition |
|---|---|
| Fundamental Counting Principle | A principle which states that if you have some number (m) of one object and some number (n) of another, then there are m*n ways to get one of each object. |
| Permutation | If you arrange r out of n items, there are nPr ways to combine them, order matters. (ex. a permutation of 3 objects as 1,2,3 is considered different from 3,2,1) |
| Combination | If you arrange r out of n items, there are nCr ways to combine them, order does not matter. (ex. a combination of 3 objects as 1,2,3 is considered the same as 3,2,1) |
| Sample Space | The list of all possible outcomes. |
| Event | A subset of the sample space, which refers to a specific outcome. |
| Probability | The likelihood/chance of specific outcomes of an event happening. |
| Law of Large Numbers | A law which states that the proportion of times that a particular outcome occurs in many repetitions will approach a single number. |
| Random | The occurrences of something happen by chance. |
| Simulation | The imitation of chance behavior based on a model that accurately reflects the situation. |
| Mutually Exclusive | Having no outcomes in common, so they may never happen together. |
| General Addition Rule | When we have the probability of "A or B" that is equal to the probability of A plus the probability of B minus the probability of A and B. |
| General Multiplication Rule | When we have the probability of "A and B" that is equal to the probability of A multiplied by the probability of B given A. |
Created by:
reynolds24
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