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10 Cards in this Set
- Front
- Back
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What does P mean?
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Pick (permutation)
order matters! |
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What does C mean?
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Choose (combinations)
order does not matter! |
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When do you multiply the events by each other?
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If the first event can happen x ways and the second event can happen y ways, then both events can happen in the order given x times y ways.
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what does "!" mean?
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Factorial, it is used when things are repeated or identical.
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How do you calculate the probability of a fraction?
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probability of an event=
# of ways that the event can occur ____________________ # of all possible outcomes |
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What is the Bernoulli experiment?
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-exactly two possible outcomes
-one success, one failure -fixed # of trials -trials are independent -the probability of each outcome is the same for each trial. |
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what values must be considered?
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N= Number of trials
R= How many times it must be successful F= # of failures S= # of successes |
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How do you do Binomial expansion?
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IE: (m+2)^3
there will be 4 terms, (One more than the exponent) where a= M and b= 2 -start at zero (3choose 0..1..2..3) -then multiply everything |
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one more time! what does P mean?
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pick, permutation, or exact position
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one more time! what does C mean?
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choose, combination, or committee
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