問題詳情
62. The time to failure of a component in an electronic device has an exponential distribution with a median of four hours.
Calculate the probability that the component will work without failing for at least five hours.
(A) 0.07
(B) 0.29
(C) 0.38
(D) 0.42
(E) 0.57
參考答案
答案：D
統計：A:0,B:0,C:0,D:0,E:0
難度：計算中