After a mayor announced his plans to cut budget costs in late 2011, the Forum Research polled 1,029 people to measure the mayor's popularity. Everyone polled expressed either approval or disapproval. These are the results their poll produced. • In early 2011, 63 percent of the population approved of the mayor's actions in office. • In mid-2011, 55 percent of the population approved of his actions. • In late 2011, the percentage of popular approval was measured at 42 percent. (a) What is the sample size for this study? (Enter your answer as a whole number.) 1029 (b) What proportion in the poll disapproved of the mayor, according to the results from late 2011? (Enter your answer to two decimal places.) 0.58 (c) How many people polled responded that they approved of the mayor in late 2011? (Round your answer up to the next whole number.) 0.42 (d) What is the probability that a person supported the mayor, based on the data collected in mid-2011? (Enter your answer to two decimal places.) (e) What is the probability that a person supported the mayor, based on the data collected in early 2011? (Enter your answer to two decimal places.)
After a mayor announced his plans to cut budget costs in late 2011, the Forum Research polled 1,029 people to measure the mayor's popularity. Everyone polled expressed either approval or disapproval. These are the results their poll produced. • In early 2011, 63 percent of the population approved of the mayor's actions in office. • In mid-2011, 55 percent of the population approved of his actions. • In late 2011, the percentage of popular approval was measured at 42 percent. (a) What is the sample size for this study? (Enter your answer as a whole number.) 1029 (b) What proportion in the poll disapproved of the mayor, according to the results from late 2011? (Enter your answer to two decimal places.) 0.58 (c) How many people polled responded that they approved of the mayor in late 2011? (Round your answer up to the next whole number.) 0.42 (d) What is the probability that a person supported the mayor, based on the data collected in mid-2011? (Enter your answer to two decimal places.) (e) What is the probability that a person supported the mayor, based on the data collected in early 2011? (Enter your answer to two decimal places.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
100%
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 6 steps
Recommended textbooks for you
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
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
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
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
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
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
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman