SOA Exam P Sample Question 557
Study guide: Exam P-1
A customer just purchased a refrigerator with a five-year warranty. The number of years before the refrigerator malfunctions is exponentially distributed. The probability that the refrigerator malfunctions before the five-year warranty expires is 0.40.
Calculate the standard deviation of the number of years before the refrigerator malfunctions.
- A)
0.10 - B)
3.13 - C)
5.46 - D)
9.79 - E)
12.50
Answer this question and see the worked solution