Term
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Definition
| 'n' elements selected from a population in such a way that every set of 'n' elements in the population has an equal probablility of being selected |
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Term
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Definition
| Given A and B, the occurrence of B does not alter hte probability that A has oxxurred; that is events A and B if P(A¦B)=P(A), when this is the case, P(B¦A)=P(B) also |
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Term
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Definition
| events that are not independent |
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Term
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Definition
| Given A and B, A[upsidedown U]B contains no sample points, that is , if A and B have no sample points in common. P(A[upsdwnU]B)=0 |
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Term
| complement (of and event A), or A^C |
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Definition
| the event that A does not occur--that is, the event consisting of all sample points that are not in event A |
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Term
| union (of 2 events A & B) |
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Definition
| the event that occurs if either A or B or both occur on a single performance of the experiment, A U B; consists of all the sample points that belong to A or B or both |
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Term
| intersection (of 2 events A & B) |
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Definition
| the event that occurs if both A & B occur on a single performance of the experimen, A[upsdwnU]B; consists of all the sample points belonging to both A and B |
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Term
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Definition
| a collection of all of an experiment's sample points |
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Term
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Definition
| the most basic outcome of an experiment |
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Term
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Definition
| an act or process of observation that leads to a single outcome that cannot be predicted with certainty |
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