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 = 2.8. (Round your answers to two decimal places.) (a) Compute a 95% CI for μ when n = 25 and x = 52.5. watts (b) Compute a 95% CI for u when n = 100 and x = 52.5. watts (c) Compute a 99% CI for μ when n = 100 and X = 52.5. watts
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 = 2.8. (Round your answers to two decimal places.) (a) Compute a 95% CI for μ when n = 25 and x = 52.5. watts (b) Compute a 95% CI for u when n = 100 and x = 52.5. watts (c) Compute a 99% CI for μ when n = 100 and X = 52.5. watts
MATLAB: An Introduction with Applications
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Author:Amos Gilat
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![A CI is desired for the true average stray-load loss μ (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 o = 2.8. (Round your answers to two decimal places.)
(a) Compute a 95% CI for μ when n = 25 and x = 52.5.
watts
(b) Compute a 95% CI for u when n = 100 and X = 52.5.
watts
(c) Compute a 99% CI for μ when n = 100 and X = 52.5.
watts
(d) Compute an 82% CI for μ when n = 100 and x = 52.5.
watts
(e) 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.)
n =](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa61d77b8-3322-4869-a508-5eb685631aec%2F61349aca-f412-419d-b1e1-80102b96cb18%2F1f23gjd9_processed.png&w=3840&q=75)
Transcribed Image Text:A CI is desired for the true average stray-load loss μ (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 o = 2.8. (Round your answers to two decimal places.)
(a) Compute a 95% CI for μ when n = 25 and x = 52.5.
watts
(b) Compute a 95% CI for u when n = 100 and X = 52.5.
watts
(c) Compute a 99% CI for μ when n = 100 and X = 52.5.
watts
(d) Compute an 82% CI for μ when n = 100 and x = 52.5.
watts
(e) 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.)
n =
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