A company claims that the mean monthly residential electricity consumption in a certain region is more than 890 kiloWatt

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A Company Claims That The Mean Monthly Residential Electricity Consumption In A Certain Region Is More Than 890 Kilowatt 1 (39.24 KiB) Viewed 16 times

A company claims that the mean monthly residential electricity consumption in a certain region is more than 890 kiloWatt-hours (kWh). You want to test this claim. You find that a random sample of 63 residential customers has a mean monthly consumption of 910 kWh. Assume the population standard deviation is 130 kWh. At a=0.05, can you support the claim? Complete parts (a) through (e). (a) Identify Ho and H₂. Choose the correct answer below. A Ho: > 890 (claim) H: 890 OCH₂=910 H: #910 (claim) XEH: 890 (claim) H: 890 >890 (claim) B. Ho: 5890 Ha: D. Ho: 910 (claim) H:HS910 Help me solve this View an example Get more help. OF Ho: 5910 H₂:>910 (claim) (b) Find the critical value(s) and identify the rejection region(s). Select the correct choice below and fill in the answer box within your choice. Use technology. (Round to two decimal places as needed.). OA. The critical value is OB. The critical values are t Clear all Check answer TYMAL