We wish to estimate what percent of adult residents in Ventura County like chocolate. Out of 300 adult residents sampled, 269 like chocolate. To construct a 90% confidence interval for the proportion (p) of adult residents who like chocolate in Ventura County, you need to use which one of the following calculator?
Chi-Square Test for Independence
Confidence Interval for a Population Mean Given Data
Two Independent Proportions Comparison
Chi-Square Test for Goodness of Fit
Hypothesis Test for a Population Mean Given Data
Hypothesis Test for a Population Proportion
One-Way ANOVA
Confidence Interval for a Population Mean Given Statistics
Hypothesis Test for a Population Mean Given Statistics
Two Independent Sample Means Comparison Given Data
Two Independent Sample Means Comparison Given Statistics
Confidence Interval for a Population Proportion
Two Dependent Sample Means Comparison Given Data
Enter your answer as an open-interval (i.e., parentheses) using decimals (not percents) accurate to three decimal places.
Confidence interval =
Express the same answer as a tri-linear inequality using decimals (not percents) accurate to three decimal places.
< p <
Express the same answer using the point estimate and margin of error. Give your answers as decimals, to three places.
p = ±±