Average lifetime of at least five years, Basic Statistics

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Average lifetime of at least five years

A manufacturer claims that his television will have an average lifetime of at least five years. The standard deviation is seven months. 81 televisions are selected at random, and their average lifetime was found to be 59 months. Is the manufacturer correct? Use α=0.025

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Basic Statistics: Average lifetime of at least five years

Reference No:- TGS0117262

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Basic Statistics: Average lifetime of at least five years

Reference No:- TGS0117262

Have a Question? (oR Write a Review)

Recent Questions Asked Basic Statistics

Q : What is poor quality

Q : Find the average unloading time

Q : Determine whether or not people have a certain disease

Q : Determining the service design matrix

Q : Average lifetime of at least five years

Q : Dfferentiate between the different types of sales activities

Q : How small must that standard deviation if bags weigh less

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Request for Solution File

Ask an Expert for Answer!!

Basic Statistics: Average lifetime of at least five years

Reference No:- TGS0117262

Recent Questions Asked Basic Statistics

Q : What is poor quality

Q : Find the average unloading time

Q : Determine whether or not people have a certain disease

Q : Determining the service design matrix

Q : Average lifetime of at least five years

Q : Dfferentiate between the different types of sales activities

Q : How small must that standard deviation if bags weigh less

Q : Determine the standard error of the mean

Q : Expected number of calls in one hour

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