Determine the margin of error for a confidence interval to estimate the population proportion for the following confidence levels with a sample proportion equal to 0.38 and n = 100. a. 90% b. 95% c. 98% Click the icon to view a portion of the Cumulative Probabilities for the Standard Normal Distribution table. ... a. The margin of error for a confidence interval to estimate the population proportion for the 90% confidence level is .080 (Round to three decimal places as needed.) b. The margin of error for a confidence interval to estimate the population proportion for the 95% confidence level is (Round to three decimal places as needed.)

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