SOA Exam P Sample Question 605
Study guide: Exam P-1
ElectroUSA is a store that sells portable music players. Ten percent of sales are Brand A and the rest are Brand B. The time, in years, until failure for Brand A is modeled by an exponential distribution with mean 2, while that for Brand B is modeled by an exponential distribution with mean 4.
A portable music player sold by ElectroUSA fails for the first time within three years of the purchase date.
Calculate the probability that it is Brand A.
- A)
0.08 - B)
0.14 - C)
0.47 - D)
0.60 - E)
0.78
Answer this question and see the worked solution