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7 Cards in this Set
- Front
- Back
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Counting Principle of Addition
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probability of either mutually exclusive outcomes happening
Ex: Bag with 10 marbles-3 red, 4 green, 1 yellow, and 2 blue P(red OR blue) = 3/10 + 2/10 = 5/10 = 1/2 |
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Counting Principle of Multiplication
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probability of 2 or more events happening is equal to the product of their own probabilities
Ex: Bag with 10 marbles-3 red, 4 green, 1 yellow, and 2 blue P(red AND blue)=3/10 x 2/10= 6/100 = 3/50 |
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Event
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a possible choice resulting in an outcome Ex: flip a coin and getting heads
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Factorial
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the product of a number written
n! = (n)(n-1)(n-2)(n-3)...(n-(n-1)) Ex: 6!=(6)(5)(4)(3)(2)(1)=720 |
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Odds
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probability of getting the desired result
Ex: flip coin to get heads 1/2 |
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Fair
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an object or game where are of the outcomes are equally probable Ex: odd of flipping a coin to get heads
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Impossible Event
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probability is zero so the event cannot happen
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