A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 110.9 cm and a standard deviation of 2.1 cm. For shipment, 19 steel rods are bundled together. Find...

A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 110.9 cm and a standard deviation of 2.1 cm. For shipment, 19 steel rods are bundled together.


Find the probability that the average length of a randomly selected bundle of steel rods is less than 110.8 cm.

P(M < 110.8="" cm)="">


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