SOA Exam P Sample Question 140
Study guide: Exam P-1
A certain brand of refrigerator has a useful life that is normally distributed with mean 10 years and standard deviation 3 years. The useful lives of these refrigerators are independent.
Calculate the probability that the total useful life of two randomly selected refrigerators will exceed 1.9 times the useful life of a third randomly selected refrigerator.
- A) 0.407
- B) 0.444
- C) 0.556
- D) 0.593
- E) 0.604
Answer this question and see the worked solution