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Need help in the following In a steel making factory, steel production has a standard deviation of 1.6 meters. A random sample of 64 is

Need help in the following

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In a steel making factory, steel production has a standard deviation of 1.6 meters. A random sample of 64 is selected from the production line and this sample has a mean on 99 meters. From this information, which of the following is a 95% confidence interval for the mean amount of steel produced? O a. 66.58 and 96.?8 O is. 89.61 and 98.39 D c. 26.95 and 33.86 D d. 88.98 and 56.34

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