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(d) Compute an 82% CI for when n = 100 and x = 52.9. watts (e) How large must n be if the width of the 99% interval forμ 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.

(d) Compute an 82% CI for when n = 100 and x = 52.9. watts (e) How large must n be if the width of the 99% interval forμ 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.

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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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 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 μ when n = 100 and x = 52.9. watts (d) Compute an 82% CI for when n = 100 and x = 52.9. watts (e) How large must n be if the width of the 99% interval for μ 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 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 μ when n = 100 and x = 52.9. watts (d) Compute an 82% CI for when n = 100 and x = 52.9. watts (e) How large must n be if the width of the 99% interval for μ 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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