The weights of a certain dog breed are approximately normally distributed with a mean of 53 pounds, and a standard deviation of 6.6 pounds. Use your graphing calculator to answer the following questions. Write your answers in percent form. Round your answers to the nearest tenth of a percent. a) Find the percentage of dogs of this breed that weigh less than 53 pounds. % b) Find the percentage of dogs of this breed that weigh less than 45 pounds. % c) Find the percentage of dogs of this breed that weigh more than 45 pounds. % Check