ACT scores The Mathematics section of the ACT test had a mean of 20.9 and an SD

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ACT scores The Mathematics section of the ACT test had a mean of 20.9 and an SD of 5.3 for the years 2013–2015. If these are well modeled by a Normal distribution, about what percent of students scored

a. Over 31?

b. Under 18?

c. Between 18 and 31?

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Stats Data And Models

ISBN: 9780135163825

5th Edition

Authors: Richard D De Veaux, Paul F Velleman, David E Bock

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Question Posted: Aug 16, 2022 09:23 AM

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ACT scores The Mathematics section of the ACT test had a mean of 20.9 and an SD

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a According to the Normal model 28 of ACT scores are exp...View the full answer

Stats Data And Models

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