The general aviation Manufacturers Association has reported the average annual number of hours flown by general-aviation aircraft to be approximately 120hrs Assume normal distribution and o=30. What proportion of these aircraft logged between 60 and 180 hours of flying time? More than 180?
The general aviation Manufacturers Association has reported the average annual number of hours flown by general-aviation aircraft to be approximately 120hrs Assume normal distribution and o=30. What proportion of these aircraft logged between 60 and 180 hours of flying time? More than 180?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 4CYU
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