A TV news reporter says that a proposed constitutional amendment is likely to win approval in the upcoming election because a poll of 425 likely voters indicated that 52% would vote in favor. The reporter goes on to say that the margin of error for this poll was 4%. Complete parts a and b below. a) Explain why the poll is actually inconclusive. Choose the correct answer below. O A. The poll is inconclusive because the margin of error is too large. O B. The poll is inconclusive because the sample size is too small. OC. The poll is inconclusive because the standard error of the sample proportion is less than 0.50. O D. The poll is inconclusive because 50% is included in the confidence interval. b) What confidence level did the pollsters use? The pollsters used a V% confidence level. 95 99 90 98

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Topic Video
Question

Please answer question b

A TV news reporter says that a proposed constitutional amendment is likely to win approval in the upcoming election because a poll of 425 likely voters indicated that 52% would vote in favor. The reporter goes on to say that the margin of error
for this poll was 4%. Complete parts a and b below.
a) Explain why the poll is actually inconclusive. Choose the correct answer below.
O A. The poll is inconclusive because the margin of error is too large.
O B. The poll is inconclusive because the sample size is too small.
OC. The poll is inconclusive because the standard error of the sample proportion is less than 0.50.
O D. The poll is inconclusive because 50% is included in the confidence interval.
b) What confidence level did the pollsters use?
The pollsters used a
% confidence level.
95
99
90
98
Transcribed Image Text:A TV news reporter says that a proposed constitutional amendment is likely to win approval in the upcoming election because a poll of 425 likely voters indicated that 52% would vote in favor. The reporter goes on to say that the margin of error for this poll was 4%. Complete parts a and b below. a) Explain why the poll is actually inconclusive. Choose the correct answer below. O A. The poll is inconclusive because the margin of error is too large. O B. The poll is inconclusive because the sample size is too small. OC. The poll is inconclusive because the standard error of the sample proportion is less than 0.50. O D. The poll is inconclusive because 50% is included in the confidence interval. b) What confidence level did the pollsters use? The pollsters used a % confidence level. 95 99 90 98
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Knowledge Booster
Research Design Formulation
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