Explore BrainMass

Explore BrainMass

    distribution of scores

    Not what you're looking for? Search our solutions OR ask your own Custom question.

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

    The distribution of scores on a standardized aptitude test is approximately normal with a mean of 520 and a standard deviation of 100. What is the minimum score needed to be in the top 20% on this test? Carry your intermediate computations to at least four decimal places, and round your answer to the nearest integer.

    © BrainMass Inc. brainmass.com March 4, 2021, 8:22 pm ad1c9bdddf

    Solution Preview

    To be in top 20%, the area below the score should be 80%

    Therefore we ...