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    Probability of Correct Test Answers

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    A True-False test has 20 questions with each having 2 possible answers with one correct answer. Assume a student answers every question.

    a. What is the probability of getting exactly 9 correct answers?
    b. What is the probability of getting less than 6 correct answers?

    © BrainMass Inc. brainmass.com June 3, 2020, 11:04 pm ad1c9bdddf
    https://brainmass.com/statistics/probability/probability-261795

    Solution Preview

    For each question, the probability that a student answer correctly is 1/2 and the probability that a student answer ...

    Solution Summary

    This solution helps with probability questions.

    $2.19

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