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68% of statistics 95% of statistics 99.7% of statistics A Mean Mean 1 st. 2 st. dev below 2 st dev above 3 st. dev below 3 st dev above dev below above A company has a policy of retiring company cars; this policy looks at number of miles driven, purpose of trips, style of car and other features. The distribution of the number of months in service for the fleet of cars is bell-shaped and has a mean of 56 months and a standard deviation of 9 months. Using the empirical rule, what is the approximate percentage of cars that remain in service between 38 and 74 months? Do not enter the percent symbol. ans = % Mean 4 1 st. dev

68% of statistics 95% of statistics 99.7% of statistics A Mean Mean 1 st. 2 st. dev below 2 st dev above 3 st. dev below 3 st dev above dev below above A company has a policy of retiring company cars; this policy looks at number of miles driven, purpose of trips, style of car and other features. The distribution of the number of months in service for the fleet of cars is bell-shaped and has a mean of 56 months and a standard deviation of 9 months. Using the empirical rule, what is the approximate percentage of cars that remain in service between 38 and 74 months? Do not enter the percent symbol. ans = % Mean 4 1 st. dev

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
Section10.6: Summarizing Categorical Data
Problem 23PPS
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68% of statistics Mean 95% of statistics 99.7% of statistics Mean Mean 1 st. 1 st. 3 st dev 2 st. dev below 2 st dev above 3 st. dev below dev above dev above below A company has a policy of retiring company cars; this policy looks at number of miles driven, purpose of trips, style of car and other features. The distribution of the number of months in service for the fleet of cars is bell-shaped and has a mean of 56 months and a standard deviation of 9 months. Using the empirical rule, what is the approximate percentage of cars that remain in service between 38 and 74 months? Do not enter the percent symbol. ans = %
Transcribed Image Text:68% of statistics Mean 95% of statistics 99.7% of statistics Mean Mean 1 st. 1 st. 3 st dev 2 st. dev below 2 st dev above 3 st. dev below dev above dev above below A company has a policy of retiring company cars; this policy looks at number of miles driven, purpose of trips, style of car and other features. The distribution of the number of months in service for the fleet of cars is bell-shaped and has a mean of 56 months and a standard deviation of 9 months. Using the empirical rule, what is the approximate percentage of cars that remain in service between 38 and 74 months? Do not enter the percent symbol. ans = %
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