Question
It is estimated that 14% of Canadians have COVID-19. A study found that one type of rapid antigen test (RAT) could correctly detect COVID-19 in
It is estimated that 14% of Canadians have COVID-19. A study found that one type of rapid antigen test (RAT) could correctly detect COVID-19 in 79% of people who have the virus. The same RAT correctly gave a negative result in 97% of people who did not have the virus. (3 marks)
- If a randomly selected RAT test is positive, what is the probability that the person who took the RAT test has COVID-19?
- If a randomly selected RAT test is negative, what is the probability that the person who took the RAT test has COVID-19?
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Authors: Richard D De Veaux, Paul D Velleman, David E Bock
4th Edition
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