CUET Mathematics 2022 4 Aug Shift 1Algebra > Easy521\frac{5}{21}21547\frac{4}{7}7456\frac{5}{6}6516\frac{1}{6}61✅ Correct Option: 4Related questions:4 Aug Shift 1What is the probability that the doctor arrives late ?17 Aug Shift 2A letter is expected to come either from city 'SURAT' or from city 'RAMPUR' through post office. If on the way, envelope containing the letter is damaged and only two consecutive alphabets RA are visible on it, then the probability that letter comes from the city 'SURAT' is :17 Aug Shift 2It is given that only 0.1% of a large population have COVID infection. In this population, the reliability of COVID RTPCR-test is specified as follows : For persons having COVID, 90% of the test detects the disease but 10% goes undetected. For persons not having COVID, 99% of the test is judged COVID negative but 1% are diagnosed as COVID positive. Based on the above informations, answer the question : The probability of the person tested as COVID positive, given that he is actually having COVID is :