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For a 4-units class like Statistics, students should spend 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 13 hours and a standard deviation of 2 hours. Use the Empirical Rule to answer the following questions. a) 95% of the students have study hours that are between c) What percentage of the students have study hours that are below 15? and %

For a 4-units class like Statistics, students should spend 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 13 hours and a standard deviation of 2 hours. Use the Empirical Rule to answer the following questions. a) 95% of the students have study hours that are between c) What percentage of the students have study hours that are below 15? 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-units class like Statistics, students should spend 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 13 hours and a standard deviation of 2 hours. Use the Empirical Rule to answer the following questions. a) 95% of the students have study hours that are between c) What percentage of the students have study hours that are below 15? and %
Transcribed Image Text:For a 4-units class like Statistics, students should spend 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 13 hours and a standard deviation of 2 hours. Use the Empirical Rule to answer the following questions. a) 95% of the students have study hours that are between c) What percentage of the students have study hours that are below 15? and %
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