SOA Exam P Sample Question 326
Study guide: Exam P-1
The monthly commission that an agent earns is modeled by a random variable X with density function
f(x) = \frac{1}{20}e^{-x/20}, \quad x > 0
Calculate the probability that the commission the agent earns in a month is within 0.5 standard deviations of E(X).
- A) 0.34
- B) 0.38
- C) 0.50
- D) 0.68
- E) 0.95
Answer this question and see the worked solution