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Direction: Read the following text and answer the following questions on the basis of the same:
The reliability of a COVID PCR test is specified as follows:
Of people having COVID, 90% of the test detects the disease but 10% goes undetected. Of people free of COVID, 99% of the test is judged COVID negative but 1% are diagnosed as showing COVID positive. From a large population of which only 0.1% have COVID, one person is selected at random, given the COVID PCR test, and the pathologist reports him/ her as COVID positive.
Q. What is the probability that the ‘person is actually having COVID given that ‘he is tested as COVID positive’?
  • a)
    0.83
  • b)
    0.0803
  • c)
    0.083
  • d)
    0.089
Correct answer is option 'C'. Can you explain this answer?
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Direction: Read the following text and answer the following questions on the basis of the same:The reliability of a COVID PCR test is specified as follows:Of people having COVID, 90% of the test detects the disease but 10% goes undetected. Of people free of COVID, 99% of the test is judged COVID negative but 1% are diagnosed as showing COVID positive. From a large population of which only 0.1% have COVID, one person is selected at random, given the COVID PCR test, and the pathologist reports him/ her as COVID positive.Q. What is the probability that the ‘person is actually having COVID given that ‘he is tested as COVID positive’?a)0.83b)0.0803c)0.083d)0.089Correct answer is option 'C'. Can you explain this answer?
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Direction: Read the following text and answer the following questions on the basis of the same:The reliability of a COVID PCR test is specified as follows:Of people having COVID, 90% of the test detects the disease but 10% goes undetected. Of people free of COVID, 99% of the test is judged COVID negative but 1% are diagnosed as showing COVID positive. From a large population of which only 0.1% have COVID, one person is selected at random, given the COVID PCR test, and the pathologist reports him/ her as COVID positive.Q. What is the probability that the ‘person is actually having COVID given that ‘he is tested as COVID positive’?a)0.83b)0.0803c)0.083d)0.089Correct answer is option 'C'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about Direction: Read the following text and answer the following questions on the basis of the same:The reliability of a COVID PCR test is specified as follows:Of people having COVID, 90% of the test detects the disease but 10% goes undetected. Of people free of COVID, 99% of the test is judged COVID negative but 1% are diagnosed as showing COVID positive. From a large population of which only 0.1% have COVID, one person is selected at random, given the COVID PCR test, and the pathologist reports him/ her as COVID positive.Q. What is the probability that the ‘person is actually having COVID given that ‘he is tested as COVID positive’?a)0.83b)0.0803c)0.083d)0.089Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Direction: Read the following text and answer the following questions on the basis of the same:The reliability of a COVID PCR test is specified as follows:Of people having COVID, 90% of the test detects the disease but 10% goes undetected. Of people free of COVID, 99% of the test is judged COVID negative but 1% are diagnosed as showing COVID positive. From a large population of which only 0.1% have COVID, one person is selected at random, given the COVID PCR test, and the pathologist reports him/ her as COVID positive.Q. What is the probability that the ‘person is actually having COVID given that ‘he is tested as COVID positive’?a)0.83b)0.0803c)0.083d)0.089Correct answer is option 'C'. Can you explain this answer?.
Solutions for Direction: Read the following text and answer the following questions on the basis of the same:The reliability of a COVID PCR test is specified as follows:Of people having COVID, 90% of the test detects the disease but 10% goes undetected. Of people free of COVID, 99% of the test is judged COVID negative but 1% are diagnosed as showing COVID positive. From a large population of which only 0.1% have COVID, one person is selected at random, given the COVID PCR test, and the pathologist reports him/ her as COVID positive.Q. What is the probability that the ‘person is actually having COVID given that ‘he is tested as COVID positive’?a)0.83b)0.0803c)0.083d)0.089Correct answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for JEE. Download more important topics, notes, lectures and mock test series for JEE Exam by signing up for free.
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