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A CI is desired for the true average stray.load loss (watts) for a certain type of...


A CI is desired for the true average stray.load loss (watts) for a certain type of induction motor when the line current is h
A CI is desired for the true average stray.load loss (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.) (a) Compute a 95% CI for when - 25 and X - 54.0. (b) Compute a 95% CI for when - 100 and X - 54.00 watts (c) Compute a 99% CI for when n 100 and X - 54.0. ) watts (d) Compute an 82% Cl for when n - 100 and X - 54.0. ) watts (e) How large must be if the width of the 99% interval for p is to be 1.07(Round your answer up to the nearest whole number)
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Answer #1

Given that :- 8= 3.1 Nax. n=25 , The 95% X=54 confidance interval for lux (X I za I [ 54 I 20.025 3.1 125 → [ 54 I (1.96) (0.© n=100, X= 54 18 = The 99% confidance interval for u X + Zap of ( 54 € 20.0005 3.1 24₂ using √loo 2 table = [54 I (2.575)(0.0=31 Given, margin of erori x=0.01 margin of emora Z4 Tage 1 = (2.575 ) X 3.1 un wing 2-table / n = 7:9825 na 64 ✓

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