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A teacher has found that the probability that a student studies for a test is 60%,...

A teacher has found that the probability that a student studies for a test is 60%, the probability that a student gets a good grade on a test is 70%, and the probability that both events occur is 52%. The teacher randomly finds a test with a good grade on it. Find the probability that the student did not study for the test. Round to three decimals.

Math   Statistics-And-Probability   
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TOPIC:Events and probability.

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