Question: Use the sample information z = 40, o = 3, n = 18 to calculate the following co normal population. (a) 90 percent confidence. (Round

Use the sample information z = 40, o = 3, n = 18 to calculate the following co normal population. (a) 90 percent confidence. (Round your answers to 4 decimal places.) The 90% confidence interval is from to Ack (b) 95 percent confidence. (Round your answers to 4 decimal places.) The 95% confidence interval is from ID (c) 99 percent confidence. (Round your answers to 4 decimal places.) The 90% confidence interval is from

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