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decimal places.) (a) Compute a 95% CI for when n = 25 and x = 55.6. watts (b) Compute a 95% CI for μ when n = 100 and x = 55.6. watts (c) Compute a 99% CI for μ when n = 100 and x = 55.6. watts (d) Compute an 82% CI for when n = 100 and x = 55.6. 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=

decimal places.) (a) Compute a 95% CI for when n = 25 and x = 55.6. watts (b) Compute a 95% CI for μ when n = 100 and x = 55.6. watts (c) Compute a 99% CI for μ when n = 100 and x = 55.6. watts (d) Compute an 82% CI for when n = 100 and x = 55.6. 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=

College Algebra
College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter6: Exponential And Logarithmic Functions
Section6.8: Fitting Exponential Models To Data
Problem 3TI: Table 6 shows the population, in thousands, of harbor seals in the Wadden Sea over the years 1997 to...
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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 = 2.1. (Round your answers to two decimal places.) (a) Compute a 95% CI for μ when n = 25 and x = 55.6. watts (b) Compute a 95% CI for μ when n = 100 and x = 55.6. watts (c) Compute a 99% CI for μ when n = 100 and x = 55.6. watts (d) Compute an 82% CI for μ when n = 100 and X = 55.6. 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 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 = 2.1. (Round your answers to two decimal places.) (a) Compute a 95% CI for μ when n = 25 and x = 55.6. watts (b) Compute a 95% CI for μ when n = 100 and x = 55.6. watts (c) Compute a 99% CI for μ when n = 100 and x = 55.6. watts (d) Compute an 82% CI for μ when n = 100 and X = 55.6. 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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