試題詳解

8. According to a firm analyzing shipping data, both FedEx and UPS' on-time delivery rate dropped during the 20[9 holiday season. FedEx's on-time delivery percentage from Black Friday to New Year's Eve was 95%, and UPS' on-time delivery percentage was 97%. Based on this information, what is the probability that if a customer ships ten packages with FedEx during the 2019 holiday season, all of the ten packages arrive on time?
(A) 60%
(B) 75%
(C) 80%
(D) 95%