A Cl is desired for the true average stray-load loss u (watts) for a certain type of induction motor when the line current is held at 10 amps for a speed of 1500 rpm. Assume that stray-load loss is normally distributed with a = 3.1. (Round your answers to two decimal places.) Compute a 95% CI for u when n = 25 and x= 57.5. )watts ) Compute a 95% CI for u when n = 100 and x= 57.5. ) watts Compute a 99% CI for a when n = 100 and x= 57.5. )watts ) Compute an 829% CI for u when n = 100 and x= 57.5. watts ) How large mustn be if the width of the 99% interval for u is to be 1.0? (Round your answer up to the nearest whole number.)
A Cl is desired for the true average stray-load loss u (watts) for a certain type of induction motor when the line current is held at 10 amps for a speed of 1500 rpm. Assume that stray-load loss is normally distributed with a = 3.1. (Round your answers to two decimal places.) Compute a 95% CI for u when n = 25 and x= 57.5. )watts ) Compute a 95% CI for u when n = 100 and x= 57.5. ) watts Compute a 99% CI for a when n = 100 and x= 57.5. )watts ) Compute an 829% CI for u when n = 100 and x= 57.5. watts ) How large mustn be if the width of the 99% interval for u is to be 1.0? (Round your answer up to the nearest whole number.)
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:A CI is desired for the true average stray-load loss u (watts) for a certain type of induction motor when the line current is held at 10 amps for a speed of 1500 rpm. Assume that stray-load loss is normally distributed with a = 3.1. (Round your answers to two decimal places.)
Compute a 95% CI for u when n = 25 and x = 57.5.
) watts
Compute a 95% CI for u when n = 100 and x = 57.5.
) watts
Compute a 99% CI for u when n = 100 and x= 57.5.
watts
Compute an 82% CI for u when n = 100 and x = 57.5.
watts
) How large must n be if the width of the 99% interval for u is to be 1.0? (Round your answer up to the nearest whole number.)
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