Mathematics, 19.11.2019 01:31 Damagingawsomeness2
Arecent study compared the time spent together by single- and dual-earner couples. according to the records kept by the wives during the study, the mean amount of time spent together watching television among the single-earner couples was 61 minutes per day, with a standard deviation of 15.5 minutes. for the dual-earner couples, the mean number of minutes spent watching television was 48.4 minutes, with a standard deviation of 18.1 minutes. at the 0.01 significance level, can we conclude that the single-earner couples on average spend more time watching television together?
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Mathematics, 21.06.2019 15:00
Find three consecutive numbers such that the sum of one-fourth the first and one-fifth the second is five less than one-seventh the third
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Mathematics, 21.06.2019 20:00
Last one and the bottom answer choice is y=(x-4)^2+1 you guys!
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Mathematics, 21.06.2019 20:30
Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.
Answers: 3
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