問題詳情

17. (5%) Suppose that the joint cumulative distribution function of the lifetimes of twosmart watches is given below. What is the probability that the lifetime of one smartwatch is at least nine times longer than the lifetime of the other?


(A)


(B)


(C)


(D)


(E)

參考答案

答案：A
難度：計算中-1
書單：沒有書單，新增