Steel rods are manufactured with a mean length of 25 centimeter (cm). Because of variability in the manufacturing process, the lengths of the rods are approximately normally distributed with a...

Extracted text: Steel rods are manufactured with a mean length of 25 centimeter (cm). Because of variability in the manufacturing process, the lengths of the rods are approximately normally distributed with a standard deviation of 0.06 cm. Complete parts (a) to (d). ..... (a) What proportion of rods has a length less than 24.9 cm? (Round to four decimal places as needed.)