close solutoin list

Fowle Marketing Research, Inc., bases charges to a client on the assumption that telephone surveys can be completed within 15 minutes or less. If more time is required, a premium rate is charged. With a sample of 35 surveys, a population standard deviation of 4 minutes, and a level of significance of .01, the sample mean will be used to test the null hypothesis H 0 : μ ≤ 15. a. What is your interpretation of the Type II error for this problem? What is its impact on the firm? b. What is the probability of making a Type II error when the actual mean time is μ = 17 minutes? c. What is the probability of making a Type II error when the actual mean time is μ = 18 minutes? d. Sketch the general shape of the power curve for this test.

BuyFind

STATISTICS F/BUSINESS+ECONOMICS-TE...

13th Edition
Anderson
Publisher: CENGAGE L
ISBN: 9781305881884
BuyFind

STATISTICS F/BUSINESS+ECONOMICS-TE...

13th Edition
Anderson
Publisher: CENGAGE L
ISBN: 9781305881884

Solutions

Chapter
Section
Chapter 9.6, Problem 48E
Textbook Problem

Fowle Marketing Research, Inc., bases charges to a client on the assumption that telephone surveys can be completed within 15 minutes or less. If more time is required, a premium rate is charged. With a sample of 35 surveys, a population standard deviation of 4 minutes, and a level of significance of .01, the sample mean will be used to test the null hypothesis H0: μ ≤ 15.

  1. a. What is your interpretation of the Type II error for this problem? What is its impact on the firm?
  2. b. What is the probability of making a Type II error when the actual mean time is μ = 17 minutes?
  3. c. What is the probability of making a Type II error when the actual mean time is μ = 18 minutes?
  4. d. Sketch the general shape of the power curve for this test.

Expert Solution

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

See Solution

*Response times vary by subject and question complexity. Median response time is 34 minutes and may be longer for new subjects.

Chapter 9 Solutions

STATISTICS F/BUSINESS+ECONOMICS-TEXT
Show all chapter solutions
Ch. 9.3 - Consider the following hypothesis test: H0: = 15...Ch. 9.3 - Consider the following hypothesis test: H0: 80...Ch. 9.3 - Consider the following hypothesis test: H0: 50...Ch. 9.3 - Consider the following hypothesis test: H0: = 22...Ch. 9.3 - Individuals filing federal income tax returns...Ch. 9.3 - In a study entitled How Undergraduate Students Use...Ch. 9.3 - The mean hourly wage for employees in...Ch. 9.3 - Young millennials, adults aged 18 to 34, are...Ch. 9.3 - The Internal Revenue Service (IRS) provides a...Ch. 9.3 - Annual expenditure for prescription drugs was 838...Ch. 9.3 - Fowle Marketing Research, Inc., bases charges to a...Ch. 9.3 - CCN and ActMedia provided a television channel...Ch. 9.4 - Consider the following hypothesis test: H0: 12...Ch. 9.4 - Consider the following hypothesis test: H0: = 18...Ch. 9.4 - Consider the following hypothesis test: H0: 45...Ch. 9.4 - Consider the following hypothesis test: H0: = 100...Ch. 9.4 - Which is cheaper: eating out or dining in? The...Ch. 9.4 - A shareholders group, in lodging a protest,...Ch. 9.4 - The national mean annual salary for a school...Ch. 9.4 - The time married men with children spend on child...Ch. 9.4 - The Coca-Cola Company reported that the mean per...Ch. 9.4 - According to the National Automobile Dealers...Ch. 9.4 - The mean annual premium for automobile insurance...Ch. 9.4 - Joans Nursery specializes in custom-designed...Ch. 9.5 - Consider the following hypothesis test: H0: p =...Ch. 9.5 - Consider the following hypothesis test: H0: p .75...Ch. 9.5 - The U.S. Bureau of Labor Statistics reports that...Ch. 9.5 - A study by Consumer Reports showed that 64% of...Ch. 9.5 - What percentage of the population live in their...Ch. 9.5 - Last year, 46% of business owners gave a holiday...Ch. 9.5 - Ten years ago 53% of American families owned...Ch. 9.5 - According to the University of Nevada Center for...Ch. 9.5 - Eagle Outfitters is a chain of stores specializing...Ch. 9.5 - One of the reasons health care costs have been...Ch. 9.5 - The American Association of Individual Investors...Ch. 9.6 - consider the following hypothesis test. H0: 10...Ch. 9.6 - Consider the following hypothesis test. H0: = 20...Ch. 9.6 - Fowle Marketing Research, Inc., bases charges to a...Ch. 9.6 - A consumer research group is interested in testing...Ch. 9.6 - Young Adult magazine states the following...Ch. 9.6 - Refer to exercise 48. Assume the firm selects a...Ch. 9.6 - Sparr Investments, Inc., specializes in...Ch. 9.7 - Consider the following hypothesis test. H0: 10...Ch. 9.7 - Consider the following hypothesis test. H0: = 20...Ch. 9.7 - Suppose the project director for the Hilltop...Ch. 9.7 - A special industrial battery must have a life of...Ch. 9.7 - Young Adult magazine states the following...Ch. 9.7 - An automobile mileage study tested the following...Ch. 9 - A production line operates with a mean filling...Ch. 9 - At Western University the historical mean of...Ch. 9 - Young children in the United States are exposed to...Ch. 9 - The Wall Street Journal reported that bachelors...Ch. 9 - Data from the Office for National Statistics show...Ch. 9 - A recent issue of the AARP Bulletin reported that...Ch. 9 - The chamber of commerce of a Florida Gulf coast...Ch. 9 - In Hamilton County, Ohio, the mean number of days...Ch. 9 - On December 25, 2009, an airline passenger was...Ch. 9 - An airline promotion to business travelers is...Ch. 9 - Members of the millennial generation are...Ch. 9 - The unemployment rate for 18- to 34-year-olds was...Ch. 9 - A radio station in Myrtle Beach announced that at...Ch. 9 - In recent years more people have been working past...Ch. 9 - Shorney Construction Company bids on projects...Ch. 9 - A federal funding program is available to...Ch. 9 - H0: = 120 and Ha: 120 are used to test whether...Ch. 9 - Quality Associates, Inc. Quality Associates, Inc.,...Ch. 9 - Ethical Behavior of Business Students at Bayview...

Additional Math Textbook Solutions

Find more solutions based on key concepts
Show solutions
WACC Midwest Electric Company (MKC) uses only debt and common equity. It can borrow unlimited amounts at an int...

Fundamentals of Financial Management, Concise Edition (with Thomson ONE - Business School Edition, 1 term (6 months) Printed Access Card) (MindTap Course List)

(Appendix 3A) Explain the meaning of the coefficient of determination.

Managerial Accounting: The Cornerstone of Business Decision-Making

What are the three viewpoints of product life cycle? How do they differ?

Cornerstones of Cost Management (Cornerstones Series)

Distinguish between a hypothesis and a prediction.

Research Methods for the Behavioral Sciences (MindTap Course List)

Multiply 15.328.75 .

Mathematics For Machine Technology

21-47 Differentiate. y=arctan(arcsinx)

Calculus (MindTap Course List)

Reminder Round all the answers to two decimal places unless otherwise indicated. Linear and Quadratic Data One ...

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)

Profit from Sale of Smartphones Apollo manufactures smartphones at a variable cost of V(x) = 0.000003x3 0.03x2...

Applied Calculus for the Managerial, Life, and Social Sciences: A Brief Approach

Explain the principal of least squares in your own words.

Finite Mathematics for the Managerial, Life, and Social Sciences

Find the derivative. Simplify where possible. 36. y = sech x (1 + ln sech x)

Single Variable Calculus: Early Transcendentals, Volume I

True or False: If a function is not increasing on an interval, then it is decreasing on the interval.

Study Guide for Stewart's Single Variable Calculus: Early Transcendentals, 8th

The results of Accounting Principals’ latest Workonomix survey indicate the average American worker spends $10...

Modern Business Statistics with Microsoft Office Excel (with XLSTAT Education Edition Printed Access Card) (MindTap Course List)

In Problems 710 use (13) and the known value (12)=2 to evaluate the given quantity. 9. (72)

A First Course in Differential Equations with Modeling Applications (MindTap Course List)