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Q2 (10 points) The sensitivity for a screening test for COVlD-19 antibodies is about 0.98 and the specificity is about 0.96. It is estimated that

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Q2 (10 points) The sensitivity for a screening test for COVlD-19 antibodies is about 0.98 and the specificity is about 0.96. It is estimated that about 25% of Manitobans have antibodies for COVlD-19. a) Suppose that a randomly selected Manitoban has a positive test result. Find the probability that this person truly has antibodies for COVlD19. b) Suppose that a randomly selected Manitoban has a negative test result. Find the probability that this person truly has no antibodies for COVlD-19

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