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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

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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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