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Steel rods are manufactured with a mean length of 27 centimeter (cm). Because of variability in the manufacturing process, the lengths of the rods are

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Steel rods are manufactured with a mean length of 27 centimeter (cm). Because of variability in the manufacturing process, the lengths of the rods are approximately normally distributed with a standard deviation of 0.05 cm. Complete parts (a) to (d) (a) What proportion of rods has a length less than 26.9 cm? (Round to four decimal places as needed.)

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