Mathematics, 15.04.2021 17:40 wbrandi118
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 0.12 kWh. A previous study found that for an average family the variance is 2.56 kWh and the mean is 15.5 kWh per day. If they are using a 98% level of confidence, how large of a sample is required to estimate the mean usage of electricity
Answers: 2
Mathematics, 21.06.2019 15:30, WhiteWinterRose
Which equation represents the line that passes through the points and (4, 10) and (2, 7)? y = 3/2x - 11y = 3/2x +4y = - 3/2x + 19y = - 3/2x + 16
Answers: 2
Mathematics, 21.06.2019 16:00, AmbitiousAndProud
30 pts, will mark brainliestwhat is the period of the sinusoidal function? (picture 1)what is the minimum of the sinusoidal function? (picture2)what is the maximum of the sinusoidal function? (picture 3)
Answers: 3
The electric cooperative needs to know the mean household usage of electricity by its non-commercial...
History, 11.01.2021 05:20
Mathematics, 11.01.2021 05:20
English, 11.01.2021 05:20
Physics, 11.01.2021 05:20
Mathematics, 11.01.2021 05:20