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A company claims that the mean monthly residential electricity consumption in a certain region is more than 870 kW per hour do you want to
A company claims that the mean monthly residential electricity consumption in a certain region is more than 870 kW per hour do you want to test the claim you find out a random sample of 62 residential customers has a mean monthly consumption of 890 kW per hour assume the population standard deviation is 121 kW per hour at a .01 can you support the claim
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