Due to variations in the manufacturing process, the machinery that fills cereal boxes cannot put exactly the same amount of cereal into each box. The amount of cereal in a 16 ounce box of a popular children's cereal is normally distributed with an average of 16.2 ounces and a standard deviation of 0.15 ounce. 3. What percentage of cereal boxes contain less than 16 ounces of cereal? a. 100% b. 40.87% c. 9.12% d. 13.33% 4. If a box of cereal is weighed and its Z-score is -1.25, what is the weight of the cereal in this box? a. 14.77 ounces b. 16.01 ounces c. 16.21 ounces d. 15.81 ounces