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In order to estimate the average electric usage per month, a sample of 196 houses was selected and their electric usage
Posted: Wed May 11, 2022 6:48 am
by answerhappygod
- In Order To Estimate The Average Electric Usage Per Month A Sample Of 196 Houses Was Selected And Their Electric Usage 1 (22.39 KiB) Viewed 21 times
In order to estimate the average electric usage per month, a sample of 196 houses was selected and their electric usage was determined. If the sample mean is 2000 kWh, what is the 93% confidence interval estimate of the population mean? Assume a population standard deviation of 350 kilowatt-hours (Lower Limit) to (Upper Limit) (Round your answer to 2 decimal places) Click here to access Z tables T tables, Chi-squared tables or Formula Sheet