a. Enter your answer as an open-interval (i.e., parentheses) using decimals (not percents) accurate to three decimal places. Confidence interval = b. Express the same answer as a tri-linear inequality...

Extracted text: a. Enter your answer as an open-interval (i.e., parentheses) using decimals (not percents) accurate to three decimal places. Confidence interval = b. Express the same answer as a tri-linear inequality using decimals (not percents) accurate to three decimal places.

Extracted text: A toy store would like to open a new store in the city of Thousand Oaks, and they would like to know what proportion of households have kids. Out of 200 households sampled, 121 had kids. Based on this, to construct a 99% confidence interval for the true population proportion of Thousand Oaks households with kids, you need to use which one of the following calculators? O Two Independent Sample Means Comparison Given Statistics Confidence Interval for a Population Proportion O Confidence Interval for a Population Mean Given Data O Two Independent Proportions Comparison Two Independent Sample Means Comparison Given Data O Hypothesis Test for a Population Mean Given Statistics Two Dependent Sample Means Comparison Given Data O Chi-Square Test for Goodness of Fit Hypothesis Test for a Population Mean Given Data OHypothesis Test for a Population Proportion O Chi-Square Test for Independence O One-Way ANOVA O Confidence Interval for a Population Mean Given Statistics