Explore BrainMass

Explore BrainMass

    Expected Value of Guessing on a Multiple Choice Test

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    In a multi-choice test, each question has four options. Students wil get 10 points for each correct answer; lose four points for each incorrect answer; and receive no points for unanswered questions. A student does not know the correct answer for one question. Is it to her advantage or disadvantage to guess an answer? Show calculations for expected value.

    © BrainMass Inc. brainmass.com June 4, 2020, 1:45 am ad1c9bdddf
    https://brainmass.com/statistics/central-tendency/expected-value-guessing-multiple-choice-test-418599

    Solution Preview

    If the student guess an answer, then he/she has 1/4 chance to answer correctly and get 10 points ...

    Solution Summary

    This solution provides the calculations for the expected value.

    $2.19

    ADVERTISEMENT