Mathematics, 11.07.2019 15:00 corban13
The number of registered vehicles on the road in a country is constantly increasing. in 2009, there were approximately 270 million registered vehicles. this represents a 4 %4% increase over 2002. how many registered vehicles were there in the country in 2002? round to the nearest million.
Answers: 1
Mathematics, 21.06.2019 22:20
An object in geometry with no width, length or height is a(n):
Answers: 1
Mathematics, 21.06.2019 23:00
Events a and b are independent. the probability of a occurring is 2/5. the probability of b occurring is 1/4. what is p(a and b)?
Answers: 2
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
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