Mathematics, 07.11.2019 02:31, rainbowmc6
Data from the bureau of labor statisticsā consumer expenditure survey show that annual expenditures for cellular phone services per consumer unit increased from $237 in 2001 to $634 in 2007. let the standard deviation of annual cellular expenditure be $52 in 2001 and $207 in 2007. a. what is the probability that the average annual expenditure of 125 cellular customers in 2001 exceeded $220? (round answer to 4 decimal places.) b. what is the probability that the average annual expenditure of 125 cellular customers in 2007 exceeded $607? (round answer to 4 decimal places.)
Answers: 2
Mathematics, 21.06.2019 18:30, alizeleach0123
Which representation has a constant of variation of -2.5
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Mathematics, 22.06.2019 03:30, thebiggestbigbilly
The length of a rectangle is 5 times the width. if the perimeter is to be greater than 36 meters. what are the possible values for the width?
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Data from the bureau of labor statisticsā consumer expenditure survey show that annual expenditures...
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