Term
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Definition
| total # of outcome = multiplication of all possible outcomes |
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Definition
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Definition
order doesn't matter
n!/((n-k)!k!)
-has the "deordering" agent |
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Term
| disjoint/ mutually exclusive |
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Definition
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Term
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Definition
- an event based on a an event that already occured
-prob. where we condition on some previous
knowledge
P(AIB)=p(A intersect B)/ P(B) |
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Definition
and = multiply
or= addition |
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Term
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Definition
| situation 1+ situation 2+ ... untill all possible choices are exhausted |
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Term
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Definition
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Term
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Definition
=unrelated events
P(A intersect B) =P(A)P(B), such that P(BIA)=P(B) |
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Term
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Definition
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Term
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Definition
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Term
| mass distribution function/ probability mass function |
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Definition
-make a chart
chance that a X=x, where big X is the random variable. |
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Term
| cumulative distribution function |
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Definition
| F(x)=P(X less than or equal to x) |
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Term
| discrete random variables |
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Definition
| -countably infinite number of variable |
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Term
| continuos random variables |
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Definition
| -a continuous range of variables... allowed to take any in between numbers |
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Term
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Definition
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Definition
complementaries of (a intersect b)
and of (a union b) |
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Term
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Definition
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Term
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Definition
| set of 2 that don't intersect any other set of 2 things |
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Term
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Definition
the chance of an event occuring
value between 1 and 0 |
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Term
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Definition
| p(x)=P(X=x) which is greater than or equal to zero. sum of all p(x)=1 |
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