13. Test Scores The scores on a national achievement test were approximately normally distributed, with a mean

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13. Test Scores The scores on a national achievement test were approximately normally distributed, with a mean of 540 and a standard deviation of 110.

a. If you achieved a score of 680, how far, in standard deviations, did your score depart from the mean?

b. What percentage of those who took the examination scored higher than you?

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Introduction To Probability And Statistics

ISBN: 9780357114469

15th Edition

Authors: William Mendenhall Iii , Robert Beaver , Barbara Beaver

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Question Posted: Sep 05, 2024 05:02 AM

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13. Test Scores The scores on a national achievement test were approximately normally distributed, with a mean

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Introduction To Probability And Statistics

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