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Question Hel The probability that a person with certain symptoms has hepatitis is 08. The blood test used to confirm this diagnosis es positive resuts for 92% of people with the disease and 5% of those without the disease What is the probability that an ideal wire has the symptoms and who tects positively to the test actually has hepatitis The probably in Type as integer or decimal rounded to four decimale med

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let us consider H → be the buson with having hepatitis with symptoms Ho - Person with symptoms does not have hepatitis B - Blood test positive Given P(H) = 0.8 P (Ho)=1-0.8= 0.2 P(BIA) = 0.90 90% P(B|Ho) = 06 = 5 0.8 X 0.90 lo PCHIE) - PCH).PCB/H) P(H) P(BI) + Ho): ( 8] Ho) 0.8 (0.90) +0.2005) 0.72 0.72 P 0.73 0.72 +0.001 0.9863