Use the table to answer each question. Note: Round z-scores to the nearest hundredth and then find the required A values using the table. The weights of all the boxes of corn flakes filled by a...

Extracted text: Use the table to answer each question. Note: Round z-scores to the nearest hundredth and then find the required A values using the table. The weights of all the boxes of corn flakes filled by a machine are normally distributed, with a mean weight of 13.0 ounces and a standard deviation of 0.4 ounce. What percent of the boxes will have the following weights? (Round your answers to one decimal place.) (a) weigh less than 12.5 ounces (b) weigh between 12 ounces and 14 ounces