SOA Exam P Sample Question 318
Study guide: Exam P-1
Data on a certain pregnancy test show that a pregnant woman will test negative 10% of the time, while a non-pregnant woman will test positive 20% of the time. Thirty percent of the women who take the test are pregnant.
Calculate the probability that a woman is pregnant given that her test outcome is positive.
- A) 0.18
- B) 0.30
- C) 0.66
- D) 0.82
- E) 0.90
Answer this question and see the worked solution