Question 2 A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 113.5-cm and a standard deviation of 1.6-cm. For shipment, 17 steel rods are bundled together. Round all answers to four decimal places if necessary. a. What is the distribution of X? X - N b. What is the distribution of ? ac - N c. For a single randomly selected steel rod, find the probability that the length is between 113.1-cm and 113.5-cm. d. For a bundled of 17 rods, find the probability that the average length is between 113.1-cm and 113.5-cm. e. For part d), is the assumption of normal necessary? O Yes No Question Help: Video Message instructor Submit Question Jump to