Mathematics, 22.12.2021 09:00 vazquezemmy8

As an engineer working for a electrical power company you need to design an experiment to determine a 95% con dence interval for the mean daily power usage for homes in Salt Lake City. Measuring the daily power usage of every single home is not practical; therefore you need to choose a sample. What size does your sample need to be to ensure that the con dence interval for is not larger than 5kWh

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