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    A simple exercise in calculating conditional probability.

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    A math teacher gave her class two tests. 25% of the class passed both tests, and 42% of the class passed the first test. What percent of those that passed the first test also passed the second test?

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    https://brainmass.com/statistics/probability/simple-exercise-calculating-conditional-probability-15597

    Solution Summary

    The following solution provides the formula for calculating a conditional probability and solve a simple conditional probability question.

    $2.49

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