A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 259.1 cm and a standard deviation of 1.9 cm. For shipment, 6 steel rods are bundled together.

Find the probability that the average length of a randomly selected bundle of steel rods is more than 257.2 cm.

Round your answer to at least three decimals.

In the box below, type in what you entered into the calculator to get your answers for each question. If you used the online Statistics Calcuator, indicate the screens used, and any values of input variables.