Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

Need answers(Data is below) Question 28 0.5 pts Use the following information to answer all the parts. A recent book noted that only 20% of

image text in transcribedimage text in transcribed

Need answers(Data is below)

image text in transcribedimage text in transcribedimage text in transcribed
Question 28 0.5 pts Use the following information to answer all the parts. A recent book noted that only 20% of all investment managers outperform the Dow Jones Industrial Average over a five-year period. A random sample of 200 investment managers that had graduated from one of the top ten business programs in the country were followed over a five-year period. Fifty of these outperformed the Dow Jones Industrial Average. Let p be the true proportion of investment managers who graduated from one of the top ten business programs who outperformed the Dow Jones over a five-year period. Part 1: Based on the results of the sample, create a 90% confidence interval of p Input the lower bound. 0.19 Question 29 0.5 pts Input the upper bound. 0.31 Question 30 1 pts Part 2: Suppose you had been in charge of designing the study. What sample size would be needed to construct a margin of error of 2% with 95% confidence? Use the prior estimate of p = 0.2 for this estimate.\fQuestion 33 1 pts Part 5: The value of your test statistic is: Question 34 1 pts Part 6: The P-value of your test is: Question 35 1 pts Part 7: What is your conclusion? 0 There is sufcient evidence to conclude that graduates from the top ten business programs perform the same as other investment managers. 0 There is sufcient evidence to conclude that graduates from the top ten business programs perform better than other investment managers. 0 There is insufcient evidence to conclude that graduates from the top ten business programs perform better than other investment managers 0 There is insufcient evidence to conclude that graduates from the top ten business programs perform the same as other investment managers

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image_2

Step: 3

blur-text-image_3

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Logic And Structure

Authors: Dirk Van Dalen

5th Edition

1447145585, 9781447145585

More Books

Students also viewed these Mathematics questions

Question

What is the persons job (e.g., professor, student, clinician)?

Answered: 1 week ago

Question

5. Give examples of binary thinking.

Answered: 1 week ago