Exam P Practice Question 10
Study guide: Exam P-1
A disease affects 30% of the population. A diagnostic test returns positive for 80% of those who have the disease and positive for 20% of those who do not. If a randomly selected person tests positive, what is the probability they actually have the disease?
- A) 0.24
- B) 0.48
- C) 0.63
- D) 0.80
- E) 0.37
Answer this question and see the worked solution