In a Gallup poll of 500 people in country of Starland in 2020, 45% answered “yes” to the question, “Would you be afraid to walk alone at night within a mile right around here?” (a) Test the null hypothesis that 50% of the Starland’s people answered “yes”. Use the p-value approach with α = 5%. (b) Construct a 95% confidence interval to test the hypothesis and conclude.

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 58E: What is meant by the sample space of an experiment?
icon
Related questions
Question

In a Gallup poll of 500 people in country of Starland in 2020, 45% answered “yes” to the question,
“Would you be afraid to walk alone at night within a mile right around here?”
(a) Test the null hypothesis that 50% of the Starland’s people answered “yes”. Use the p-value
approach with α = 5%.

(b) Construct a 95% confidence interval to test the hypothesis and conclude.

Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 3 images

Blurred answer
Similar questions
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