0 of 1 Point Part 1 of 2 According to a report, 54.2% of murders are committed with a firearm. (a) If 100 murders are randomly selected, how many would we expect to be committed with a firearm? (b) Would it be unusual to observe 57 murders by firearm in a random sample of 100 murders? Why? (a) We would expect to be committed with a firearm