Homework Help is Here – Start Your Trial Now!
Math
Statistics
In a recent survey, 80 people were asked if they are married, and 45 responded that they are. Use the "plus-four" method to find a 95% confidence interval for the true proportion of the population who are married. Round to three decimal places, if necessary. Z0.10 Z0.05 Z0.025 Z0.01 Z0.005 Z0.003 Z0.0015 1.282 1.645 1.960 2.326 2.576 2.748 2.968 Hint: Remember the Empirical Rule, which says that if the distribution is unimodal and symmetric, then: • Approximately 68% of the observations (roughly two-thirds) will be within one standard deviation of the mean. Approximately 95% of the observations will be within two standard deviations of the mean. Nearly all the observations will be within three standard deviations of the mean.

In a recent survey, 80 people were asked if they are married, and 45 responded that they are. Use the "plus-four" method to find a 95% confidence interval for the true proportion of the population who are married. Round to three decimal places, if necessary. Z0.10 Z0.05 Z0.025 Z0.01 Z0.005 Z0.003 Z0.0015 1.282 1.645 1.960 2.326 2.576 2.748 2.968 Hint: Remember the Empirical Rule, which says that if the distribution is unimodal and symmetric, then: • Approximately 68% of the observations (roughly two-thirds) will be within one standard deviation of the mean. Approximately 95% of the observations will be within two standard deviations of the mean. Nearly all the observations will be within three standard deviations of the mean.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
See similar textbooks
icon
Related questions
Question
100%
In a recent survey, 80 people were asked if they are married, and 45 responded that they are. Use the "plus-four" method to find a 95% confidence interval for the true proportion of the population who are married. Round to three decimal places, if necessary. Z0.10 Z0.05 Z0.025 Z0.01 Z0.005 Z0.003 Z0.0015 1.282 1.645 1.960 2.326 2.576 2.748 2.968 Hint: Remember the Empirical Rule, which says that if the distribution is unimodal and symmetric, then: • Approximately 68% of the observations (roughly two-thirds) will be within one standard deviation of the mean. • Approximately 95% of the observations will be within two standard deviations of the mean. • Nearly all the observations will be within three standard deviations of the mean. Provide your answer below: FEEDBAC Content attribution
Transcribed Image Text:In a recent survey, 80 people were asked if they are married, and 45 responded that they are. Use the "plus-four" method to find a 95% confidence interval for the true proportion of the population who are married. Round to three decimal places, if necessary. Z0.10 Z0.05 Z0.025 Z0.01 Z0.005 Z0.003 Z0.0015 1.282 1.645 1.960 2.326 2.576 2.748 2.968 Hint: Remember the Empirical Rule, which says that if the distribution is unimodal and symmetric, then: • Approximately 68% of the observations (roughly two-thirds) will be within one standard deviation of the mean. • Approximately 95% of the observations will be within two standard deviations of the mean. • Nearly all the observations will be within three standard deviations of the mean. Provide your answer below: FEEDBAC Content attribution
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 2 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Point Estimation, Limit Theorems, Approximations, and Bounds
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman
SEE MORE TEXTBOOKS