Determine the standard error of the mean, Basic Statistics

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Determine the standard error of the mean

An automotive repair shop has determined that the average service time on an automobile is 2 hours with a standard deviation of 32 minutes. A random sample of 64 services is selected.

a. What is the probability that the sample of 64 will have a mean service time greater than 114 minutes?

b. Assume the population consists of 400 services. Determine the standard error of the mean.

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Basic Statistics: Determine the standard error of the mean

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Basic Statistics: Determine the standard error of the mean

Reference No:- TGS0117265

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Recent Questions Asked Basic Statistics

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

Q : How large sample do need to take to estimate the mean

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Request for Solution File

Ask an Expert for Answer!!

Basic Statistics: Determine the standard error of the mean

Reference No:- TGS0117265

Recent Questions Asked Basic Statistics

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

Q : How large sample do need to take to estimate the mean

Q : Probabilities for rolling the two dice

Q : What is the mean time between calls to the dispatcher

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