A philanthropic organisation sent free mailing labels and greeting cards to a random sample of 100,000 potential donors on their mailing list and received 5331 donations.   ​(a) Give a 95​% confidence interval for the true proportion of those from their entire mailing list who may donate. ​(b) A staff member thinks that the true rate is 5.6​%. Given the confidence interval you​ found, do you find that rate​ plausible? ​(a) What is the 95​% confidence​ interval?   The 95​% confidence interval is from nothing​% to nothing​%. ​(Round to two decimal places as​ needed.) ​(b) Given the confidence interval you​ found, is the proposed true​ rate, 5.6​%, ​plausible?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
A philanthropic organisation sent free mailing labels and greeting cards to a random sample of
100,000
potential donors on their mailing list and received
5331
donations.
 
​(a) Give a
95​%
confidence interval for the true proportion of those from their entire mailing list who may donate.
​(b) A staff member thinks that the true rate is
5.6​%.
Given the confidence interval you​ found, do you find that rate​ plausible?
​(a) What is the
95​%
confidence​ interval?
 
The
95​%
confidence interval is from
nothing​%
to
nothing​%.
​(Round to two decimal places as​ needed.)
​(b) Given the confidence interval you​ found, is the proposed true​ rate,
5.6​%,
​plausible?
 
 
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

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.
Similar questions
  • SEE MORE QUESTIONS
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