Question: In the problem above, what sample size will the manufacturing company need to ensure it achieves its targets for Type 1 error of 1% against

In the problem above, what sample size will the manufacturing company need to ensure it achieves its targets for Type 1 error of 1% against the mean value of 0.5500, and for a Type 2 error of 5% against an alternative mean value of 0.5520 inches? Is n = 50 sufficient?

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