If n=280 and X = 224, to construct a 95% confidence interval, you need to use which one of the following calculator O Two Independent Proportions Comparison O Hypothesis Test for a Population Proportion O Two Independent Sample Means Comparison Given Data O Chi-Square Test for Goodness of Fit O Chi-Square Test for Independence O Two Independent Sample Means Comparison Given Statistics O Confidence Interval for a Population Mean Given Statistics OTwo Dependent Sample Means Comparison Given Data O Confidence Interval for a Population Proportion O Confidence Interval for a Population Mean Given Data O One-Way ANOVA O Hypothesis Test for a Population Mean Given Statistics O Hypothesis Test for a Population Mean Given Data a. Enter your answer as an open-interval (i.e., parentheses) using decimals (not percents) accurate to three decimal places. Confidence interval=

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