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A 90% confidence interval for u using the sample results X = 131.2, s=55 , and n= 50 Round your answer for the point estimate to one decimal place, and your answers for the margin of error and the confidence interval to two decimal places. Margin of error:? 90 Confidence Interval?
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A 90% confidence interval for u using the sample results X = 131.2, s=55 , and n= 50 Round your answ...
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