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 a = 2.9. (Round your answers to two decimal places.) (a) Compute a 95% CI for μ when n = 25 and x = 52.9. watts (b) Compute a 95% CI for μ when n = 100 and x = 52.9. watts (c) Compute a 99% CI for when n = 100 and x = 52.9. watts 100 and 52.0

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Chapter1: Combinatorial Analysis
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Please solve a, b, c, d, and e.

A CI is desired for the true average stray-load lossu (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 = 2.9. (Round your answers to two decimal places.)
(a) Compute a 95% CI for μ when n = 25 and x = 52.9.
watts
(b) Compute a 95% CI for μ when n =
watts
(c) Compute a 99% CI for u when n =
watts
100 and x = 52.9.
100 and x = 52.9.
(d) Compute an 82% CI for μ when n = 100 and x = 52.9.
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 =
You may need to use the appropriate table in the Appendix of Tables to answer this question.
Transcribed Image Text:A CI is desired for the true average stray-load lossu (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 = 2.9. (Round your answers to two decimal places.) (a) Compute a 95% CI for μ when n = 25 and x = 52.9. watts (b) Compute a 95% CI for μ when n = watts (c) Compute a 99% CI for u when n = watts 100 and x = 52.9. 100 and x = 52.9. (d) Compute an 82% CI for μ when n = 100 and x = 52.9. 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 = You may need to use the appropriate table in the Appendix of Tables to answer this question.
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