Question: A sample of sizen=75is drawn from a population whose standard deviation is=30. Part 1 of 2 (a) Find the margin of error for a95%confidence interval

A sample of sizen=75is drawn from a population whose standard deviation is=30.

Part 1 of 2

(a) Find the margin of error for a95%confidence interval for. Round the answer to at least three decimal places.The margin of error for a95%confidence interval foris?

Part 2 of 2

(b) If the sample size weren=82, would the margin of error be larger or smaller?

(Choose one), because the sample size is(Choose one).

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