問題詳情
8. According to a firm analyzing shipping data, both FedEx and UPS' on-time delivery rate dropped during the 20[9 holidayseason. FedEx's on-time delivery percentage from Black Friday to New Year's Eve was 95%, and UPS' on-time deliverypercentage was 97%. Based on this information, what is the probability that if a customer ships ten packages with FedExduring the 2019 holiday season, all of the ten packages arrive on time?
(A) 60%
(B) 75%
(C) 80%
(D) 95%
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增