Mathematics, 07.09.2020 21:01 alexandroperez13
If the ratio of boys to girls in a classroom is 2:3 and there are 10 boys, how many girls are there? Please answer thank you!
Answers: 1
Mathematics, 21.06.2019 16:10
Which of the following graphs represents the function f(x) = 2^x
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Mathematics, 22.06.2019 00:30
Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)
Answers: 2
Mathematics, 22.06.2019 01:30
Ineed with question three. i don't understand how i'm supposed to achieve 3 marks.
Answers: 2
If the ratio of boys to girls in a classroom is 2:3 and there are 10 boys, how many girls are there?...
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