問題詳情

52. An insurance company’s monthly claims are modeled by a continuous, positive random variable X, whose probability density function is proportional to

 for 0 ＜ x＜∞  .
Calculate the company’s expected monthly claims.
(A) 1/6
(B) 1/3
(C) 1/2
(D) 1
(E) 3

參考答案

答案：C

統計：A:0,B:0,C:0,D:0,E:0

難度：計算中