12.5 probability and multiplication rule
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10 Terms
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Probability Formula
want/total
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Probability definition
a number from 0-1 that represents the chance an event will occur
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0 represents
no chance
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1 represents
100% chance
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.5 represents
50% chance
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independent events
The outcome of one event does not affect the outcome of the second event
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dependent events
The outcome of one event does affect the outcome of the second event
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multiplication rule for independent events
P(A and B) = P(A) x P(B)
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multiplication rule for dependent events
P(A and B) = P(A) * P(B) subtract one from denominator
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when to use multiplication rule
finding probability of 2 events happening together
Note 
Flashcards (33)