Can you answer parts a,b, and c please? Mike claims that more than 80% of all investors believe the stock market will continue to decline the rest of the year. In order to test Mike's claim, a sample of 150 investors is taken. In the sample, 105 investors indicated that they believe the stock market will continue to decline the rest of the year. a. State the null and alternative hypothesis that would be used to test Mike's claim that more than 80% of all investors believe the stock market will continue to decline the rest of the year. b. What is the appropriate test statistic? c. Determine the critical value(s) for this test usign a 5% significance level. d. Calculate the value of the test statistic based upon the sample result. e. What is your decision and conclusion?

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter9: Sequences, Probability And Counting Theory
Section9.5: Counting Principles
Problem 3SE: Answer the following questions. 3. When given two separate events, how do we know whether to apply...
icon
Related questions
Topic Video
Question
100%

Can you answer parts a,b, and c please?

Mike claims that more than 80% of all investors believe the stock market will continue to decline the rest of the year. In order to test Mike's claim, a sample of 150 investors is taken. In the sample, 105 investors indicated that they believe the stock market will continue to decline the rest of the year.

a. State the null and alternative hypothesis that would be used to test Mike's claim that more than 80% of all investors believe the stock market will continue to decline the rest of the year.

b. What is the appropriate test statistic?

c. Determine the critical value(s) for this test usign a 5% significance level.

d. Calculate the value of the test statistic based upon the sample result.

e. What is your decision and conclusion?

Expert Solution
steps

Step by step

Solved in 3 steps with 4 images

Blurred answer
Knowledge Booster
Hypothesis Tests and Confidence Intervals for Means
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
College Algebra
Algebra
ISBN:
9781938168383
Author:
Jay Abramson
Publisher:
OpenStax
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt
College Algebra
College Algebra
Algebra
ISBN:
9781337282291
Author:
Ron Larson
Publisher:
Cengage Learning