the experimental probability that a delivery service will deliver a package late is 3%. an employee at the delivery service predicts that 45 out of 15,000 packages will be delivered late. is this prediction reasonable justify your answer

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer