According to a report, 78.7% of murders are committed with a firearm. (a) If 200 murders are randomly selected, how many would we expect to be committed with a firearm? (b) Would it be unusual to observe 174 murders by firearm in a random sample of 200 murders? Why? (a) We would expect 157.4 to be committed with a firearm. (b) Choose the correct answer below. O A. No, because 174 is between u - 20 and u + 20. O B. No, because 174 is greater than u + 20. O C. Yes, because 174 is between p - 20 and p + 20 O D. Yes, because 174 is greater than p + 20. O E. No, because 174 is less than u - 20