conditional probability

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8 Terms

1
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conditional probability is used when

there is information about the outcome and it results in a smaller sample space

2
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ways of representing conditional probability

Ven diagram, tree diagram, two way table

3
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subset

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empty set

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if two events are independent then P(A|B)=

P(A)

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P(Y’) =

1 - P(Y)

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What is true if two events are mutually exclusive

P(A and B) = 0

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What is the sum of probabilities always equal to

1