Mathematics, 21.12.2019 03:31 lolz55678
Astudy on educational aspirations of high school students measured aspirations using the scale (some high school, high school graduate, some college, college graduate). for students whose family income was low, the counts in these categories were (9, 44, 13, 10); when family income was middle, the counts were (11, 52, 23, 22); when family income was high, the counts were (9, 41, 12, 27).a. find the conditional distribution on aspirations for those whose family income was high. b. conduct a chi-square test of independence between educational aspirations and income levels. c. explain what further analyses you could do that would be more informative than a chi-squared test.
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
The two cylinders are similar. if the ratio of their surface areas is 9/1.44 find the volume of each cylinder. round your answer to the nearest hundredth. a. small cylinder: 152.00 m3 large cylinder: 950.02 m3 b. small cylinder: 972.14 m3 large cylinder: 12,924.24 m3 c. small cylinder: 851.22 m3 large cylinder: 13,300.25 m3 d. small cylinder: 682.95 m3 large cylinder: 13,539.68 m3
Answers: 2
Mathematics, 21.06.2019 20:30
What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)
Answers: 2
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