Acompany claim that the mean monthly residential electricity consumption in a certain region is more than 870 kilowatt-h

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Acompany Claim That The Mean Monthly Residential Electricity Consumption In A Certain Region Is More Than 870 Kilowatt H 1 (66.57 KiB) Viewed 36 times

Acompany claim that the mean monthly residential electricity consumption in a certain region is more than 870 kilowatt-hour (kWh) You want to test this claim. You And that a random sample of 67 redential customers has a mean monthly consumption of 900 kWh. Assume the population standard deviation 125 kW.AL 2001. can you support the claim? Complete parts () through (6) COLD (a) derly He and H. Choose the correct answer below. OA HH900 cm) OB. H: 870 (claim) H-900 Ha 870 OCH R$ 870 OD. H 1.900 H>870 (cinim) Ha #900 (chain) OE H-900 OR H:> 870 (claim) Ha >900 (claim) H5870 b) Ped the critical value) and identify the rejection region(). Select the correct choice below and it in the answer box within your choice. Use technology Round to two decimal places as needed.) A The critical value are O& The critical values Idently the rejection regionia). Select the correct choice below. A Therection region iz 233 B. The rejection regions 233 c. The rejection regions weze 233 and 2 >2,33 c. Find the standardized test stattUse technology The standarted to statistics Nound to demased Decide whether traject of all to the null hypothesis A Hotecause the standardized test is not in the rejection fogo Rebecnie testerection region Fall because the standarde is in the rejection region D. He because the standardet no therection in