(See Solution) A machine produces 3-inch nails. A sample of 10 nails was selected and the lengths determined. The results are as follows: 2.89 2.95 3.00
Question: A machine produces 3-inch nails. A sample of 10 nails was selected and the lengths determined. The results are as follows:
2.89 2.95 3.00 3.05 2.99 2.96 3.10 3.06 3.00 3.12
Use these results to test H 0 : = 3 and H a : 3 at = 0.01. Give the critical region, the computed test statistic, and the conclusion.
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