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In order to estimate the average electric usage per month, a sample of 173 houses was selected and the electric usage was determined. The sample had a mean of 2110 kilowatt-hours and a standard deviation
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In order to estimate the average electric usage per month, a sample of 173 houses was selected and the electric usage was determined. The sample had a mean of 2110 kilowatt-hours and a standard deviation of 330. The objective is to create a 99% confidence interval. What is the margin of error?

User Envil
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Answer: what the hel is this my brain is starting to hurt

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User Aaron Swan
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