In the following problem, check that it is appropriate to use the normal approximation to the binomial. Then use the normal distribution to estimate the requested probabilities, What ais the chances that a person who is murdered actualy knew the murderer? The answer to this question explains why a lot of pollon detective work begins with relatives and friends of the victim! About aly of people who are murdered actually know the person who committed the murder Suppose that a detective file in New Orleans has 61 current unsolved murders. Find the following probabilities, (Round your answers to four decimal places.) A USE SALT at least 35 of the victimi knew their murderers Di at most to of the victims knew their murderers [) lower than 30 whims did not kroon their murderers (d) more than 20 victims did not know their mutdures