Mathematics, 16.12.2019 21:31 animationfusion
Acity planner wants to estimate, with a 99% confidence level, the average monthly residential water usage in the city. based on earlier data, the population standard deviation of the monthly residential water usage in this city is 387.40 gallons. how large a sample should be selected so that the estimate for the average monthly residential water usage in this city is within 110 gallons of the population mean?
round your answers to the nearest integer.
n=
Answers: 3
= Population standard deviation for the prior study.
gallons.
 {Rounded to the nearest integer.}Another question on Mathematics
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Acity planner wants to estimate, with a 99% confidence level, the average monthly residential water...
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