erm idk probability lol!

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5 Terms

1
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how do u carry out a P(A|B)

P(A and B)/P(B)

2
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how do u know when a given event is independent

  • When P(A|B) = P(A)

  • When P(A|B) = P(B)

3
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what happens in a dependent probability?

the outcome of one event affects the probability of another event happening

4
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general multiplication rule

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

5
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what strategies can we use for the “at least ___” methods

  • P(at least 1 success) = 1-P(all failures)

  • P(at least 1 failure) = 1-P(all successes)