問題詳情

204. Losses due to burglary are exponentially distributed with mean 100.

The probability that a loss is between 40 and 50 equals the probability that a loss is
between 60 and r, with r > 60.

Calculate r.
(A) 68.26
(B) 70.00
(C) 70.51
(D) 72.36
(E) 75.00

參考答案

答案:D

統計:A:0,B:0,C:0,D:0,E:0

難度:計算中