Question: Please answer the question below: A machine produces metal pieces that are cylindrical in shape. A sample of pieces is taken, and the diameters are
Please answer the question below:

A machine produces metal pieces that are cylindrical in shape. A sample of pieces is taken, and the diameters are found to be 1.03, 0.94, 0.99, 1.05, 0.96, 0.95, 0.95, 1.03, and 0.99 centimeters. Find a 95% confidence interval for the mean diameter of pieces from this machine, assuming an approximately normal distribution. Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. Click here to view page 1 of the table of critical values of the t-distribution. Click here to view page 2 of the table of critical values of the t-distribution. The confidence interval is |
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