Find out a 90 percent confidence interval for the mean, Basic Statistics

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Find out a 90 percent confidence interval for the mean

Estimating the Confidence interval for population mean.

Noise level tests were done on 50 new light rail vehicles. The results of the test gave a sample mean of 75 decibels and a sample standard deviation of 8 decibels. Find out a 90 percent confidence interval for the mean decibel level µ for this type of transit vehicle.

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Basic Statistics: Find out a 90 percent confidence interval for the mean

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Request for Solution File

Ask an Expert for Answer!!

Basic Statistics: Find out a 90 percent confidence interval for the mean

Reference No:- TGS019782

Have a Question? (oR Write a Review)

Recent Questions Asked Basic Statistics

Q : Compute the after tax rate of return

Q : Finding amount in cash flow from operating activities

Q : Merits of the proposed project

Q : Why company produce in germany rather than in a lower-wage

Q : Find out a 90 percent confidence interval for the mean

Q : Find out the effect of the fed fund rates is lowered

Q : Explaining transactions affect cash and net working capital

Q : Feasibility study

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Request for Solution File

Ask an Expert for Answer!!

Basic Statistics: Find out a 90 percent confidence interval for the mean

Reference No:- TGS019782

Recent Questions Asked Basic Statistics

Q : Compute the after tax rate of return

Q : Finding amount in cash flow from operating activities

Q : Merits of the proposed project

Q : Why company produce in germany rather than in a lower-wage

Q : Find out a 90 percent confidence interval for the mean

Q : Find out the effect of the fed fund rates is lowered

Q : Explaining transactions affect cash and net working capital

Q : Feasibility study

Q : Define hypothesis testing for the population proportion

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