An express delivery service promises to overnight delivery
ofall packages checked before 5 pm. the delivery service is
notperfect, however, and sometimes delays do occur. if delays occur
inthe evening flight to a major city from which distribution is
made, then a package will not arrive on time with a probability of
0.25.it is also known thaat 10% of the evening flights to the major
cityare delayed. what percentage of the packages arrive late?
(assumethat all packages are sent out on the evening flight to the
majorcity and that all packages arrive on time if the evening
flight isnot delayed.