Confidence interval and the power of the test

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I need help on understanding the confidence interval and the power of the test at a particular point of interest.

What happens to the confidence interval and the power of the test at a particular point of interest

A) as one increases the sample size of a test, all else remaining the same.

B) as one increases the level of significance of a test, all else remaining the same.

Reference no: EM13101654

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