the electric cooperative needs to know the mean household usage of electricity by its non-commercial customers in kwh per day. they would like the estimate to have a maximum error of 0.1 kwh. a previous study found that for an average family the variance is 5.76 kwh and the mean is 16.2 kwh per day. if they are using a 80% level of confidence, how large of a sample is required to estimate the mean usage of electricity?
Answers: 2
SAT, 24.06.2019 08:30, braphi5609
Which of these international trade concepts results in specialization and trade increases in total world output? a) absolute advantage b) balance of payments c) absolute advantage d) international tariffs
Answers: 1
SAT, 27.06.2019 08:30, michelle453
Cartels control the production and pricing of goods mainly through a) the elimination of competition. b) the cooperation of their members. c) the limitation of price controls. d) the manipulation of government pressure.
Answers: 1
the electric cooperative needs to know the mean household usage of electricity by its non-commercial...
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