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 61...

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 61 residential customers has a mean monthly consumption of 930 kWh. Assume the population standard deviation is 121 kWh. At α=0.10​, can you support the​ claim? Complete parts​ (a) through​ (e). Also find the critical values.