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A car rental agency checks out an average of 30 cars per day with a standard deviation of eight cars. If a sample of 25 days of operation is selected and the sample mean is computed.

a. what is the expected value of the sample mean?

b. what is the value for the standard error of the mean?

c. what is the probability that the sample mean for the 25 days will be within 27 and 32 cars?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9104769

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