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Confidence interval for the average rating

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Reference no: EM132202173

Construct a? 95% confidence interval for the average rating given by a customer who waits 19 minutes.

UCL = 

LCL =

Construct a? 95% prediction interval for the rating given by a customer who waits 19 minutes.

UCL = 

LCL =

Below I solved for the other components, but what I need is the UCL and LCL

Reference no: EM132202173

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