(Solution Library) A furniture mover calculates the actual weight of a shipment as a proportion of estimated weight for a sample of 31 recent jobs. The
Question: A furniture mover calculates the actual weight of a shipment as a proportion of estimated weight for a sample of 31 recent jobs. The sample mean is 1.13 and the sample standard deviation is .16.
- Calculate a 95% confidence interval for the population mean using the t distribution.
- Assume that the population standard deviation is known. Compute a 95% confidence interval.
- Why is the second interval narrower? (I know it is a z distribution so you do not need to say that).
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[Step-by-Step] Your company buys small rubber hoses that are used
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[Solution Library] Explain why I would use a t distribution instead of
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[Step-by-Step] Take problem 16, page 382 of the book and apply
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Average Rate of Change Calculator - MathCracker.com
![[Step-by-Step] Your company buys small rubber hoses](/images/solutions/MC-solution-library-42840.jpg "[Step-by-Step] Your company buys small rubber hoses that are used")
![[Solution Library] Explain why I would use](/images/solutions/MC-solution-library-42841.jpg "[Solution Library] Explain why I would use a t distribution instead of")
![[Step-by-Step] Take problem 16, page 382 of](/images/solutions/MC-solution-library-42842.jpg "[Step-by-Step] Take problem 16, page 382 of the book and apply")
