Marco traveled from his house to the beach. the total distance he travels is 120 miles. in the first hour, marco traveled 54 miles. what percent of the distance did he travel the first hour?

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $36.98. find the probability that a randomly selected bill will have an amount greater than $173, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?