問題詳情

33. The lifetime of a machine part has a continuous distribution on the interval (0, 40) with probability density function f(x), where f(x) is proportional to

on the interval.
Calculate the probability that the lifetime of the machine part is less than 6.
(A) 0.04
(B) 0.15
(C) 0.47
(D) 0.53
(E) 0.94

參考答案

答案：C

統計：A:0,B:0,C:1,D:0,E:0

難度：計算中