A confidence interval is desired for the true average

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Reference no: EM13615345

A confidence interval 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 standard deviation = 3.0.

Compute a 95% CI for u when n = 25 and sample mean = 58.3

1) The critical value corresponding to alpha(a)

2) The left end point of the 95% confidence interval for u is

3) The right end point of the 95% confidence interval for u is

4) The 95% confidence interval for u is

Reference no: EM13615345

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