We wish to estimate what percent of adult residents in Ventura County like chocolate. Out of 300 adult residents sampled, 270 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? Confidence Interval for a Population Proportion One-Way ANOVA Two Independent Proportions Comparison Two Independent Sample Means Comparison Given Statistics Two Dependent Sample Means Comparison Given Data Chi-Square Test for Independence Chi-Square Test for Goodness of Fit Two Independent Sample Means Comparison Given Data Confidence Interval for a Population Mean Given Statistics Hypothesis Test for a Population Mean Given Statistics Hypothesis Test for a Population Proportion Hypothesis Test for a Population Mean Given Data Confidence Interval 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 = --------------- B. Express the same answer as a tri-linear inequality using decimals (not percents) accurate to three decimal places. ------ < p < ------------ C. Express the same answer using the point estimate and margin of error. Give your answers as decimals, to three places. p = ------ ± -----------

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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We wish to estimate what percent of adult residents in Ventura County like chocolate. Out of 300 adult residents sampled, 270 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?

Confidence Interval for a Population Proportion
One-Way ANOVA
Two Independent Proportions Comparison
Two Independent Sample Means Comparison Given Statistics
Two Dependent Sample Means Comparison Given Data
Chi-Square Test for Independence
Chi-Square Test for Goodness of Fit
Two Independent Sample Means Comparison Given Data
Confidence Interval for a Population Mean Given Statistics
Hypothesis Test for a Population Mean Given Statistics
Hypothesis Test for a Population Proportion
Hypothesis Test for a Population Mean Given Data
Confidence Interval 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 = ---------------

B. Express the same answer as a tri-linear inequality using decimals (not percents) accurate to three decimal places. ------ < p < ------------

C. Express the same answer using the point estimate and margin of error. Give your answers as decimals, to three places. p = ------ ± -----------

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