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Sarah has two tests at school next week, a math test and a physics test....

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Basic Math

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Sarah has two tests at school next week, a math test and a physics test. Let A represent the event that she passes her math test and B represents the event that she passes her physics test. If A and B are independent events with P(A) = 0.30. and P(A and B) = 0.21, find P(B). Give your answer as a decimal rounded to two decimal places.

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