Term
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Definition
| P(A U B) = P(A) + P(B) - P(A & B) |
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| Mutually Exclusive Events |
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Definition
| P(A & B) = 0, events are mutually exclusive |
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| Conditional Probability Formula |
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Definition
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Definition
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Term
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Definition
| (n choose r) = n! / (r! - (n-r)!) |
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Definition
| = (P(A|B) P(B)) /( P(A|B) P(B) + P(A|B')P(B) ) |
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Definition
| Z = (x - Mean) / Standard Deviation |
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Definition
Probablility of Outcome = X
Number of possible Events = Y
XK = 1/Y
K * ln(X) = ln (1/Y)
Ex. Baseball or Basketball shot problems |
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Term
Example P (Drug | Tested Positive)
If: P(D) = .01
P(+|D) = .8
P(-|D) = .9
[(.8)(.01)] / [(.8)(.01)+(.1)(.99)] = .075 |
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Definition
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