Calculate the sampling error to within the average length

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Reference no: EM13177407

A 94 % confidence interval for the mean amount of coffee dispensed by vending machine is: (7.2, 7.8) oz.

a) Interpret this confidence interval in context of the problem.

b) What is the value of the point estimator that was used to construct this interval?

c) Calculate the sampling error to within the average length of time was estimated.

Reference no: EM13177407

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