SOA Exam P Sample Question 512
Study guide: Exam P-1
A random variable, X, denotes the number of airplanes landing each hour at a certain airport. X is modeled by a Poisson distribution. On average, 20 airplanes are expected to land each hour.
Calculate E(X^2) + E(X).
- A)
40 - B)
60 - C)
420 - D)
440 - E)
820
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