Mathematics, 14.01.2020 06:31, Adithya27

# The water works commission needs to know the mean household usage of water by the residents of a small town in gallons per day. they would like the estimate to have a maximum error of 0.1 gallons. a previous study found that for an average family the variance is 5.76 gallons and the mean is 17.9 gallons per day. if they are using a 99% level of confidence, how large of a sample is required to estimate the mean usage of water?

Answers: 2

Mathematics, 21.06.2019 15:20, angelbabynn05

Abcd ≅ klmn ≅ pqrs ≅ wxyz given that information, which figures are reflections of abcd?

Answers: 1

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 20:30, adityamahesh2002

In the diagram of circle o, what is the measure of zabc?

Answers: 2

The water works commission needs to know the mean household usage of water by the residents of a sma...

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