Suppose 5% of the Population Have a Certain Disease

question 16

Multiple Choice

Suppose 5% of the population have a certain disease.A laboratory blood test gives a positive reading for 95% of people who have the disease and 10% positive reading of people who do not have the disease.What is the probability that a randomly selected person has the disease given that this person is testing positive?

• A)0.0475
• B)0.1425
• C)0.95
• D)0.9
• E)0.3333

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