Question: 5. A mushroom substrate packaging machine is developed to automatically weigh specific amount of substrate in polyethylene bags. On the first trial, a sample of


5. A mushroom substrate packaging machine is developed to automatically weigh specific amount of substrate in polyethylene bags. On the first trial, a sample of bags is taken, and the weights of each bag are found to be 1.01, 0.95, 1.13, 1.04, 0.99, 0.98, 1.05, 1.04, and 1.03 kg. Find a 99% confidence interval for the mean weight of packed mushroom substrate from this machine, assuming an approximately normal distribution
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