Mathematics, 27.11.2019 21:31 NotCJ9006
Do students perform worse when they take an exam alone than when they take an exam in a classroom setting? eleven students were given two tests of equal difficulty. they took one test in a solitary room and they took the other in a room filled with other students. the results are shown below. alone 82 78 94 70 71 72 87 81 84 65 93 group 86 78 97 69 75 77 90 83 78 72 95 assume the distribution of the differences is normal. what can be concluded at the 0.05 level of significance? (d = score before - score after)
Answers: 2
Mathematics, 21.06.2019 17:00
The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.
Answers: 3
Mathematics, 21.06.2019 20:00
Segment an is an altitude of right δabc with a right angle at a. if ab = 2, squared 5 in and nc = 1 in, find bn, an, ac.
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How far does the wijw nj jh jevh dhhb vte hbhe gvbf5wf bjehn v
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Mathematics, 22.06.2019 04:00
The height, h, of a cylinder is 5 units less than 3times its radius, r. which expression represents the height of the cylinder in terms of its radius
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