Mathematics, 04.04.2020 08:01 davismar3
The liquid chlorine added to swimming pools to combat algae has a relatively short shelf life before it loses its effectiveness. Records indicate that the mean shelf life of a 5-gallon jug of chlorine is 2,160 hours (90 days). As an experiment, Holdlonger was added to the chlorine to find whetehr it would increase the shelf life. A sample of nine jugs of chlorine had hese shelf lives (in hours):
2159, 2170, 2180, 2179, 2160, 2167, 2171, 2181, 2185
At the .025 level, has Holdlonger increased the shelf life of the chlorine? (estimate the p-value). Show your detailed work.
Answers: 2
Mathematics, 21.06.2019 18:00
Lv beethoven software supplies customized software to a managed healthcare system. lv beethoven software's costs for the software is $1,723,000. lv beethoven software sells the software to the healthcare system for $3,816,981.10. overhead expenses are estimated at 47% of the selling price. what is lv beethoven software's net profit to the nearest dollar?
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What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.
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Atotal of 766 tickets were sold for the school play. they were either adult tickets or student tickets. there were 66 more student tickets sold than adult tickets. how many adult tickets were sold?
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Mathematics, 22.06.2019 03:00
This size running track is usually called a 400 meter track. however if a person ran as close to the inside as possible on the track they would run less than 400 meters in one lap. how far away from the inside border would someone have to run to make one lap equal exactly 400 meters
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The liquid chlorine added to swimming pools to combat algae has a relatively short shelf life before...
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