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 σ = 2.3. (Round your answers to two decimal places.)
(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 =
for99% CI crtiical Z = | 2.58 | |
standard deviation σ= | 2.3 | |
margin of error E = | 0.5 | |
required sample size n=(zσ/E)2 = | 141 |
A CI is desired for the true average stray-load loss μ (watts) for a certain type...
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 σ = 3.3. (Round your answers to two decimal places.) (a) Compute a 95% CI for μ when n = 25 and x = 57.5. , watts (b) Compute a 95% CI for μ when n = 100...
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 Ơ 3.02. (Round your answers to two decimal places. You must enter the LOWER BOUND first then the UPPER BOUND second.) (a) Compute a 95% CI for μ when n-25 and X-54.06. watts (b) Compute a 95%...
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 = 2.3. (Round your answers to two decimal places.) (a) Compute a 95% CI for when n25 and x = 53.7. watts (b) Compute a 95% CI for when 100 and 53.7. watts (c) Compute a 99%...
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 Ơ-3.1. (Round your answers to two decimal places.) (a) Compute a 95% CI for μ when n-25 and x = 59.3. watts (b) Compute a 95% CI for μ when π = 100 and X-593. watts (c) Compute...
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 am s raspeed of L that stray-load loss is normally distributed with σ = 2.0. (Round your answers to two decimal places.) rpm. Assume (a) Compute a 95% CI for μ when n = 25 and x = 55.4. watts (b) Compute a 95% CI for μ when n = 100 and...
A CI is desired for the true average stray-load loss u (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 = 3.1. (Round your answers to two decimal places.) (a) Compute a 95% CI for u when n = 25 and x = 58.8. ) watts (b) Compute a 95% CI for u when n = 100...
A CI is desired for the true average stray-load loss u (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 = 3.3. (Round your answers to two decimal places.) (a) Compute a 95% CI for u when n = 25 and x = 59.1. watts C (b) Compute a 95% CI for u when n = 100...
A CI is desired for the true average stray-load loss u (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 = 2.2. (Round your answers to two decimal places.) (a) Compute a 95% CI for u when n = 25 and x = 55.3. watts (b) Compute a 95% CI for u when n = 100 and...
A CI is desired for the true average stray-load loss u (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 = 2.2. (Round your answers to two decimal places.) (a) Compute a 95% CI for u when n = 25 and x = 57.5. watts (b) Compute a 95% CI for u when n = 100 and...
A CI is desired for the true average stray-load loss u (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 = 2.0. (Round your answers to two decimal places.) (a) Compute a 95% CI for u when n = 25 and x = 59.7. watts (b) Compute a 95% CI for u when n = 100 and...