
The estimate the proportion of the population using the 95% confidence level.
Given Information:
A random sample of 25 of the 178 households consisted of unmarried couples who were living together.
Formula used:
Confidence interval for a sample proportion (large sample) is given by,
Calculation:
From the given information,
The value of statistic at 95% level of significance is given as,
Substitute
Essentials of Statistics for The Behavioral Sciences (MindTap Course List)
Applied Calculus
Finite Mathematics and Applied Calculus (MindTap Course List)
Calculus: An Applied Approach (MindTap Course List)
Precalculus: Mathematics for Calculus (Standalone Book)
Calculus: Early Transcendentals
Single Variable Calculus: Early Transcendentals, Volume I
Multivariable Calculus
Calculus: Early Transcendental Functions
Statistics for The Behavioral Sciences (MindTap Course List)
Calculus (MindTap Course List)
Probability and Statistics for Engineering and the Sciences
Understanding Basic Statistics
Intermediate Algebra
Finite Mathematics
Applied Calculus for the Managerial, Life, and Social Sciences: A Brief Approach
Single Variable Calculus
Elementary Geometry For College Students, 7e
Contemporary Mathematics for Business & Consumers
Mathematical Applications for the Management, Life, and Social Sciences
Elements Of Modern Algebra
Mathematical Excursions (MindTap Course List)
Trigonometry (MindTap Course List)
Elementary Technical Mathematics
Finite Mathematics for the Managerial, Life, and Social Sciences
Calculus of a Single Variable
Calculus: Early Transcendental Functions (MindTap Course List)
Single Variable Calculus: Early Transcendentals
Introduction To Statistics And Data Analysis
Study Guide for Stewart's Single Variable Calculus: Early Transcendentals, 8th
Elementary Geometry for College Students
Study Guide for Stewart's Multivariable Calculus, 8th
Statistics for Business & Economics, Revised (MindTap Course List)
Research Methods for the Behavioral Sciences (MindTap Course List)
STATISTICS F/BUSINESS+ECONOMICSTEXT
Research Methods for the Behavioral Sciences (MindTap Course List)
College Algebra (MindTap Course List)
Mathematics For Machine Technology
Calculus (MindTap Course List)
Multivariable Calculus
Essentials Of Statistics For Business & Economics
Mathematics: A Practical Odyssey
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
Discrete Mathematics With Applications
Introductory Statistics
Modern Business Statistics with Microsoft Office Excel (with XLSTAT Education Edition Printed Access Card) (MindTap Course List)
A First Course in Differential Equations with Modeling Applications (MindTap Course List)
College Algebra