Question 7 (6 points) A study of elite distance runners found that the histogram of their body weights are approx imately bellshape with a mean of 63 kilogramsig), and a standard deviation of 5kg. {1} Use the Empirical Rule to nd intervals centered at the mean that will include 68%, 95%.. and 99.7% of the weights of the runners.(3 points} {2} What percent of runners weigh more than 78kg? [3 points]