A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 199.5-cm and a standard deviation of 2.3-cm. For shipment, 23 steel rods are bundled together. Find...

A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 199.5-cm and a standard deviation of 2.3-cm. For shipment, 23 steel rods are bundled together.


Find the probability that the average length of a randomly selected bundle of steel rods is between 198.7-cm and 200.8-cm.
PP(198.7-cm <>< 200.8-cm)="">


Enter your answer as a number accurate to 4 decimal places.