A political campaign manager wishes to survey a number of voters to estimate the proportion of those who are in favor of his candidate. If a previous survey shows that 55% of registeored volers plans to vote for his candidate, what is che minimum sample size required to make his surveys accurate with a 95 onfidence level and a margin of error of 2.5%?

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 6E: List the sample space of each experiment. Tossing three coins
icon
Related questions
Question

Topic: Population proportion

Answer with clear solution please ty

1. A political campaign manager wisthes to survey a number of votars to estimate
the proportion of those who are in favor of his candidate. It a previous survey
shows that 55% of registered voters plans to vote for his candidate, what is
the minimum sample size required to make his surveys accurute with a95%
confidence level and a argin of error of 2.5%?
Transcribed Image Text:1. A political campaign manager wisthes to survey a number of votars to estimate the proportion of those who are in favor of his candidate. It a previous survey shows that 55% of registered voters plans to vote for his candidate, what is the minimum sample size required to make his surveys accurute with a95% confidence level and a argin of error of 2.5%?
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
Research Ethics
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
College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill