Question: In order to estimate the average electric usage per month, a sample of 35 houses were selected and the electric usage determined. The sample mean

In order to estimate the average electric usage per month, a sample of 35 houses were selected and the electric usage determined. The sample mean is 2,000 KWH. Assume a population standard deviation of 113 kilowatt hours. At 95% confidence, compute the lower bound of the interval estimate for the population mean.

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