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A sample of size n 48 is drawn from a population whose standard deviation is...

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A sample of size n 48 is drawn from a population whose standard deviation is o 23 Part 1 of 2 a Find the margin of error for a 95 confidence interval for u Round the answer to at least three decimal places The margin of error for a 95 confidence interval for u is 50 Part 2 of 2 b If the confidence level were 99 would the margin of error be larger or smaller because the confidence level is higher

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