The U.S. Energy Information Administration claimed that U.S. residential customers used an a electricity this year. A local power company believes that residents in their area use more ele average. To test their claim, the company chooses a random sample of 189 of their custome average of 10,628 kWh of electricity last year. Assuming that the population standard deviat to support the power company's claim at the 0.02 level of significance? Step 3 of 3: Draw a conclusion and interpret the decision. Answer We fail to reject the null hypothesis and conclude that there is sufficient e O support the power company's claim that the mean amount of electricity f national average. We reject the null hypothesis and conclude that there is insufficient evide support the power company's claim that the mean amount of electricity f national average. We reject the null hypothesis and conclude that there is sufficient eviden support the power company's claim that the mean amount of electricity