(5) Tom and Joe are two runners who compete in 5K road races. Tom has a mean time of 25 minutes with a standard deviation of 3 minutes when he runs a 5K, and Joe has a mean time of 23 minutes with a standard deviation of 6 minutes when he runs a 5K. In a recent Marist 5K, Tom ran it in 21.5 minutes and Joe ran it in 20.7 minutes. Compute the z-scores for each runner's time in the Marist 5K. While Joe ran faster than Tom, which one did personally better? Explain why