In a survery of 242 households, a Food Marketing Institute found that 52 households spend more than $125 a week on groceries. To find the 95% confidence interval for the true proportion of the households that spend more than $125 a week on groceries, you need to use which one of the following calculators? 0 Two Independent Proportions Comparison 0 One-Way ANOVA 0 Two Dependent Sample Means Comparison Given Data 0 Hypothesis Test for a Population Proportion O Chi-Square Test for Independence 0 Two Independent Sample Means Comparison Given Data 0 Hypothesis Test for a Population Mean Given Statistics 0 Confidence Interval for a Population Mean Given Data 0 Confidence Interval for a Population Proportion 0 Confidence Interval for a Population Mean Given Statistics 0 Chi-Square Test for Goodness of Fit 0 Two Independent Sample Means Comparison Given Statistics 0 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 = :J b. Express the same answer as a tri-linear inequality using decimals (not percents) accurate to three decimal places. c. Express the same answer using the point estimate and margin of error. Give your answers as decimals, to three places. =:] i C]