Prediction interval for the breaking torque
In a sample of 20 bolts, the average breaking torque was 89.7 J with a standard deviation of 8.2 J. Assume that the breaking torques are normally distributed.
A.) Find a 99% prediction interval for the breaking torque of a single bolt.
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In a sample of 20 bolts, the average breaking torque was 89.7 J with a standard deviation of 8.2 J. Assume that the breaking torques are normally distributed. Find a 99% prediction interval for the breaking torque of a single bolt.
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