Probability Flashcards by Josh Connor

Q

If A and B are mutually exclusive

A

P (A and B) = 0
P (A or B) = P(A) + P(B)

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Q

If A and B are independent

A

P (A and B) = P(A) x P(B)
P(A|B) = P(A)

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Q

P(B|A)=

A

P(A and B) / P(A)

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Q

Addition law, P(A or B) =

A

P(A) + P(B) - P(A and B)

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