The D.O.T. collected data for a particular stretch of I-85 and found that the average speed was 70 mph with a standard deviation of 15 mph and the distribution is approximately normally distributed. The actual Speed Limit for the stretch of road is a maximum of 70 mph and minimum of 40 mph. What percentage of drivers actually drive between 40mph and 70 mph? 34.1% 34 1N 13.6% 136% O a) 15.9% O b) 84.1% O c) 97.7% O d) 47.7%
The D.O.T. collected data for a particular stretch of I-85 and found that the average speed was 70 mph with a standard deviation of 15 mph and the distribution is approximately normally distributed. The actual Speed Limit for the stretch of road is a maximum of 70 mph and minimum of 40 mph. What percentage of drivers actually drive between 40mph and 70 mph? 34.1% 34 1N 13.6% 136% O a) 15.9% O b) 84.1% O c) 97.7% O d) 47.7%
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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![The D.O.T. collected data for a particular stretch of I-85 and found that the average speed was 70
mph with a standard deviation of 15 mph and the distribution is approximately normally
distributed. The actual Speed Limit for the stretch of road is a maximum of 70 mph and minimum of
40 mph. What percentage of drivers actually drive between 40mph and 70 mph?
34.15
34 14
13.6%
O a) 15.9%
O b) 84.1%
O c) 97.7%
O d) 47.7%](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc3e1aabd-80ef-4a71-86f0-7b981a2e68f9%2F223ab69c-d74b-4e33-abf3-d522e7f12238%2Fillu4a7_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The D.O.T. collected data for a particular stretch of I-85 and found that the average speed was 70
mph with a standard deviation of 15 mph and the distribution is approximately normally
distributed. The actual Speed Limit for the stretch of road is a maximum of 70 mph and minimum of
40 mph. What percentage of drivers actually drive between 40mph and 70 mph?
34.15
34 14
13.6%
O a) 15.9%
O b) 84.1%
O c) 97.7%
O d) 47.7%
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