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For a 4-unit class like Statistics, students should spend average of 12 hours studying for the class. A survey was done on 29 students, and the distribution of total study hours per week is bell-shaped with a mean of 12 hours and a standard deviation of 2.9 hours. Use the Empirical Rule to answer the following questions. a) 68% of the students spend between 9.6 x hours and 16.4 x hours on Statistics each week. b) 95% of the students spend between 6.2 v hours and 19.8 x hours on Statistics each week. c) 99.7% of the students spend between 2.8 x hours and 23.2 x hours on Statistics each week. Submit Question

For a 4-unit class like Statistics, students should spend average of 12 hours studying for the class. A survey was done on 29 students, and the distribution of total study hours per week is bell-shaped with a mean of 12 hours and a standard deviation of 2.9 hours. Use the Empirical Rule to answer the following questions. a) 68% of the students spend between 9.6 x hours and 16.4 x hours on Statistics each week. b) 95% of the students spend between 6.2 v hours and 19.8 x hours on Statistics each week. c) 99.7% of the students spend between 2.8 x hours and 23.2 x hours on Statistics each week. Submit Question

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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Use the empirical rule to answer the following questions 
For a 4-unit class like Statistics, students should spend average of 12 hours studying for the class. A survey was done on 29 students, and the distribution of total study hours per week is bell-shaped with a mean of 12 hours and a standard deviation of 2.9 hours. Use the Empirical Rule to answer the following questions. a) 68% of the students spend between 9.6 x hours and 16.4 X hours on Statistics each week. b) 95% of the students spend between 6.2 V hours and 19.8 x hours on Statistics each week. c) 99.7% of the students spend between 2.8 X hours and 23.2 x hours on Statistics each week. Submit Question 144
Transcribed Image Text:For a 4-unit class like Statistics, students should spend average of 12 hours studying for the class. A survey was done on 29 students, and the distribution of total study hours per week is bell-shaped with a mean of 12 hours and a standard deviation of 2.9 hours. Use the Empirical Rule to answer the following questions. a) 68% of the students spend between 9.6 x hours and 16.4 X hours on Statistics each week. b) 95% of the students spend between 6.2 V hours and 19.8 x hours on Statistics each week. c) 99.7% of the students spend between 2.8 X hours and 23.2 x hours on Statistics each week. Submit Question 144
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