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1. 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 46 months and a standard deviation of 9 months. Using the 68-95- 99.7 (Empirical) Rule, what is the approximate percentage of cars that remain in service between 55 and 73 months? The approximate percentage of cars that remain in service between 55 and 73 months is %. Do not enter the percent symbol.)

1. 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 46 months and a standard deviation of 9 months. Using the 68-95- 99.7 (Empirical) Rule, what is the approximate percentage of cars that remain in service between 55 and 73 months? The approximate percentage of cars that remain in service between 55 and 73 months is %. Do not enter the percent symbol.)

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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1. 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 46 months and a standard deviation of 9 months. Using the 68-95- 99.7 (Empirical) Rule, what is the approximate percentage of cars that remain in service between 55 and 73 months? The approximate percentage of cars that remain in service between 55 and 73 months is %. Do not enter the percent symbol.) 2. The physical plant at the main campus of a large state university recieves daily requests to replace florecent lightbulbs. The distribution of the number of daily requests is bell-shaped and has a mean of 41 and a standard deviation of 11. Using the 68-95-99.7 (Empirical) Rule, what is the approximate percentage of lightbulb replacement requests numbering between 41 and 74? The approximate percentage of lightbulb replacement requests numbering between 41 and 74 is %. (Do not enter the percent symbol.)
Transcribed Image Text:1. 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 46 months and a standard deviation of 9 months. Using the 68-95- 99.7 (Empirical) Rule, what is the approximate percentage of cars that remain in service between 55 and 73 months? The approximate percentage of cars that remain in service between 55 and 73 months is %. Do not enter the percent symbol.) 2. The physical plant at the main campus of a large state university recieves daily requests to replace florecent lightbulbs. The distribution of the number of daily requests is bell-shaped and has a mean of 41 and a standard deviation of 11. Using the 68-95-99.7 (Empirical) Rule, what is the approximate percentage of lightbulb replacement requests numbering between 41 and 74? The approximate percentage of lightbulb replacement requests numbering between 41 and 74 is %. (Do not enter the percent symbol.)
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