Question 5 A compahy produces steel rods. The lengths of the steel rods are normally distributed with a mean of 219.1-cm and a standard deviation of 1.9-cm. For shipment, 35 steel rods are bundled...

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Extracted text: Question 5 A compahy produces steel rods. The lengths of the steel rods are normally distributed with a mean of 219.1-cm and a standard deviation of 1.9-cm. For shipment, 35 steel rods are bundled together. Round all answers to four decimal places if necessary. a. What is the distribution of X? X N( 219.1 1.9 b. What is the distribution of ? T N 219.1 c. For a single randomly selected steel rod, find the probability that the length is between 218.9-cm and 219.4-cm. d. For a bundled of 35 rods, find the probability that the average length is between 218.9-cm and 219.4-cm. e. For part d), is the assumption of normal necessary? No Yes Submit Question O a.