Swaziland has the highest hiv prevalence in the world: 25.9% of this country’s population is infected with hiv. the elisa test is one of the first and most accurate tests for hiv. for those who carry hiv, the elisa test is 99.7% accurate. for those who do not carry hiv, the test is 92.6% accurate. if an individual has tested positive, what is the probability that he carries hiv?

4a. is 3 miles every hour

4b. is 1/3 of an hour per mile

step-by-step explanation:

the answer would be d

straight away you can eliminate a and c because not all books contain a scientific skill because some may be fiction. c is also wrong because it saids that the only way children can learn is through books which is incorrect.

b is also wrong because reading can be a scientific skill but not always, therefore it is wrong which leaves you with d, the correct answer since it said that it can children learn.

hope this ! : 3