Suppose that the sitting back-to-knee length for a group of adults has a normal distribution with a mean of u= 23.4 in. and a standard deviation of o = 1.2 in. These data are often used in the design of different seats including aircraft seats, train seats, theater seats, and classroom seats. Instead of using 0.05 for identifying significant values, use the criteria that a value x is significantly high if P(x or greater)<0.01 and a value is significantly low if P(x or less)<0.01. Find the back-to-knee lengths separating significant values from those are not significant. Using these criteria, is a back-to-knee length of 25.8 in. significantly high?
Suppose that the sitting back-to-knee length for a group of adults has a normal distribution with a mean of u= 23.4 in. and a standard deviation of o = 1.2 in. These data are often used in the design of different seats including aircraft seats, train seats, theater seats, and classroom seats. Instead of using 0.05 for identifying significant values, use the criteria that a value x is significantly high if P(x or greater)<0.01 and a value is significantly low if P(x or less)<0.01. Find the back-to-knee lengths separating significant values from those are not significant. Using these criteria, is a back-to-knee length of 25.8 in. significantly high?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Suppose that the sitting back-to-knee length for a group of adults has a normal distribution with a mean of
u= 23.4 in. and a standard deviation of o = 1.2 in. These data are often used in the design of different seats
including aircraft seats, train seats, theater seats, and classroom seats. Instead of using 0.05 for identifying
significant values, use the criteria that a value x is significantly high if P(x or greater)<0.01 and a value is
significantly low if P(x or less)<0.01. Find the back-to-knee lengths separating significant values from those
are not significant. Using these criteria, is a back-to-knee length of 25.8 in. significantly high?
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