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33. A company claims that the mean monthly residential electricity consumption in a certain region is...

33. A company claims that the mean monthly residential electricity consumption in a certain region is more than 860 ​kiloWatt-hours (kWh). You want to test this claim. You find that a random sample of 61 residential customers has a mean monthly consumption of 880 kWh. Assume the population standard deviation is 125 kWh. At alphaequals0.10​, can you support the​ claim? Complete parts​ (a) through​ (e). ​(a) Identify Upper H 0 and Upper H Subscript a. Choose the correct answer below.

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