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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)
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Mathematics, 22.06.2019 00:30
What is the mean of the data set 125, 141, 213, 155, 281
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Mathematics, 22.06.2019 01:30
Agrasshopper weighs 0.89 grams. express the grasshopper’s weight in scientific notation.
Answers: 3
3.896 rounded to the nearest whole number...
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