Mathematics, 26.11.2019 02:31, daelinrobinson
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a research engineer for a tire manufacturer is investigating tire life for a new rubber compound and has built 16 tires and tested them to end-of-life in a road test. the sample mean and standard deviation are 60138.6 and 3642.54 kilometers. compute a 95% prediction interval on the life of the next tire of this type tested under conditions that are similar to those employed in the original test. compare the length of the prediction interval with the length of the 95% ci on the population mean. round the answers to 1 decimal place.
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Mathematics, 21.06.2019 14:00, Dweath50
(a) calculate the molarity of a solution that contains 0.0345 mol nh4cl in 400 ml of solution. (b) how many moles of hno3 are present in 35.0 ml of a 2.20 m solution of nitric acid? (c) how many milliliters of 1.50 m koh solution are needed to supply 0.125 mil of koh ?
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Mathematics, 21.06.2019 17:30, lizzie3545
Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee, f, for a single job is a function of the number, t, of hours it takes him to complete the job. write the function's formula.
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a research engineer for a tire manufacture...
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a research engineer for a tire manufacture...
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