What are the chances that a person who is murdered actually knew the murderer The a his question explains why a lot of police detective work begins with relatives and frienc victim About 64 or people who are murdered actually knew the person who commi murder Source Chances Risk and Odds in Everyday Life by James Burke Suppose ective in New Orleans has 63 current unsolved murders ind the mean and the standard deviation for the approximating normal distribution Find the probability that i at least 35 of the victims knew their murderers ii at most 48 of the victims knew their murderers