A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 195.4 cm and a standard deviation of 1.9 cm. For shipment, 14 steel rods are bundled together. Find P, which is the average length separating the smallest 78% bundles from the largest 22% bundles. cm Enter your answer as a number accurate to 2 decimal place. Answers obtained using exact z-scores or z scores rounded to 3 decimal places are accepted.