mple Question 7, 8.1.15 Part 1 of 7 > compare the dry braking distances from 30 to 0 miles per hour for 35 models of Make A and 35 models of Make B. The mean brakin iation is 4.7 feet. The mean braking distance for Make B is 47 fee the engineer support the claim that the mean braking distances random and independent, and the populations are normally distri k here to view page 1 of the standard normal distribution table. k here to view page 2 of the standard normal distribution table.