Chapter 5 AP Statistics Practice Test - Brunswick School …€¦ · · 2015-03-07Chapter 5 AP...
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Transcript of Chapter 5 AP Statistics Practice Test - Brunswick School …€¦ · · 2015-03-07Chapter 5 AP...
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Chapter 5 AP Statistics Practice Test
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Pencil
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both correct
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Or you could find P(B)= P(B|A): P(B) = 8/48=.167 ≠ P(B|A)=5/27=.185 Since they are not equal the events are NOT INDEPENDENT
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Notice from this picture, you can find the conditional probabilities P(B|A)=5/27 P(A|B)=5/8
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& Machine A=
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& Machine A=
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& Machine B=
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& Machine B=
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& Machine C=
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& Machine C=
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TIP: when you see "AT LEAST," think!!! 1-P(neither or none)
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; and ignore repeats.