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To ascertain the effectiveness of a new, quicker, and simpler test for identifyingCOVID-19,a study was undertaken involving 923 participants. With this test, a positive result
To ascertain the effectiveness of a new, quicker, and simpler test for identifyingCOVID-19,a study was undertaken involving 923 participants. With this test, a positive result indicates the presence ofCOVID-19. A negative result indicates the absence ofCOVID-19. Data collected to assess the effectiveness of this new test revealed:
- 348 of the participants confirmed they actually hadCOVID-19,with the other participants confirming they actually did not haveCOVID-19.
- 19 participants actually hadCOVID-19and produced a negative test result.
- 459 participants produced a negative test result.
A participant from the study is chosen at random. What is theprobabilitythe participant actually hasCOVID-19or the test is positive? (3 decimal places)
is it answer 0.709?
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