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A set of exam scores is normally distributed with a mean = 82 and standard deviation = 9. Use the Empirical Rule to complete the following sentences. 68% of the scores are between 95% of the scores are between 99.7% of the scores are between and and and

A set of exam scores is normally distributed with a mean = 82 and standard deviation = 9. Use the Empirical Rule to complete the following sentences. 68% of the scores are between 95% of the scores are between 99.7% of the scores are between and and and

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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For a 4-period class, students should spend an average of 12 hours studying for the class. A survey was done on students, and the distribution of total study hours per week is bell-shaped with a mean of 15 hours and a standard deviation of 3 hours. Use the Empirical Rule to answer the following questions. 68% of the students have study hours that are between and
Transcribed Image Text:For a 4-period class, students should spend an average of 12 hours studying for the class. A survey was done on students, and the distribution of total study hours per week is bell-shaped with a mean of 15 hours and a standard deviation of 3 hours. Use the Empirical Rule to answer the following questions. 68% of the students have study hours that are between and
A set of exam scores is normally distributed with a mean = 82 and standard deviation = 9. Use the Empirical Rule to complete the following sentences. 68% of the scores are between 95% of the scores are between 99.7% of the scores are between and and and
Transcribed Image Text:A set of exam scores is normally distributed with a mean = 82 and standard deviation = 9. Use the Empirical Rule to complete the following sentences. 68% of the scores are between 95% of the scores are between 99.7% of the scores are between and and and
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