SOA Exam P Sample Question 571
Study guide: Exam P-1
Let X be a continuous random variable with density function
f(x) = \begin{cases}
\dfrac{|x|}{10}, & \text{for } -2 < x < 4 \\
0, & \text{otherwise.}
\end{cases}Calculate \text{Var}(X).
- A)
0.25 - B)
2.52 - C)
3.32 - D)
4.13 - E)
4.93
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