ELEMENTARY STATISTICS: STEP BY STEP- ALE
10th Edition
ISBN: 9781266422362
Author: Bluman
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Question
Chapter 9.2, Problem 13E
a.
To determine
To identify: The claim and state
b.
To determine
To find: The critical value
c.
To determine
To find: The test value.
d.
To determine
To make: The decision.
e.
To determine
To summarize: The result.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Describe type I and type II errors for a hypothesis test of the indicated claim.
A clothing store claims that at least 80% of its new customers will return to buy their next article of clothing.
Describe the type I error. Choose the correct answer below.
OA. A type I error will occur when the actual proportion of new customers who return buy their next
article of clothing is at least 0.80, but you reject Ho: p20.80.
OB. A type I error will occur when the actual proportion of new customers who return to buy their next
article of clothing is at least 0.80, but you fail to reject Ho: p20.80.
OC. A type I error will occur when the actual proportion of new customers who return
article of clothing is no more than 0.80, but you fail to reject Ho: p≤0.80.
OD. A type I error will occur when the actual proportion of new customers who return
article of clothing is no more than 0.80, but you reject Ho: p≤0.80.
buy their next
buy their next
Describe type I and type II errors for a hypothesis test of the indicated claim.
A police station publicizes that at least 60% of applicants become police officers.
Describe the type I error. Choose the correct answer below.
O A. A type I error will occur when the actual proportion of applicants who become police officers is at most 0.60, but you reject Ho: p≤0.60.
O B. A type I error will occur when the actual proportion of applicants who become police officers is at least 0.60, but you reject Ho: p20.60.
OC. A type I error will occur when the actual proportion of applicants who become police officers is at most 0.60, but you fail to reject H₁: p≤0.60.
OD. A type I error will occur when the actual proportion of applicants who become police officers is at least 0.60, but you fail to reject Ho: p² 0.60.
Describe the type II error. Choose the correct answer below.
O A. A type Il error will occur when the actual proportion of applicants who becomepolice officers is less than 0.60, but you…
Describe type I and type II errors for a hypothesis test of the indicated claim.
A
lumber
store claims that
at least
25
%
of its new customers will return to buy their next
order of lumber
.
Describe the type I error. Choose the correct answer below.
A.
A type I error will occur when the actual proportion of new customers who return to buy their next
order of lumber
is
at least
0.25
,
but you reject
Upper H 0
:
pgreater than or equals
0.25
.
B.
A type I error will occur when the actual proportion of new customers who return to buy their next
order of lumber
is
no more than
0.25
,
but you reject
Upper H 0
:
pless than or equals
0.25
.
C.
A type I error will occur when the actual proportion of new customers who return to buy their next
order of lumber
is
at least
0.25
,
but you fail to reject
Upper H 0
:
pgreater than or equals
0.25
.
D.
A type I error will occur when the actual proportion of…
Chapter 9 Solutions
ELEMENTARY STATISTICS: STEP BY STEP- ALE
Ch. 9.1 - Home Runs For a sports radio talk show, you are...Ch. 9.1 - Explain the difference between testing a single...Ch. 9.1 - When a researcher selects all possible pairs of...Ch. 9.1 - What three assumptions must be met when you are...Ch. 9.1 - Show two different ways to state that the means of...Ch. 9.1 - For Exercises 5 through 16, perform each of the...Ch. 9.1 - For Exercises 5 through 16, perform each of the...Ch. 9.1 - For Exercises 5 through 16, perform each of the...Ch. 9.1 - For Exercises 5 through 16, perform each of the...Ch. 9.1 - For Exercises 5 through 16, perform each of the...
Ch. 9.1 - For Exercises 5 through 16, perform each of the...Ch. 9.1 - For Exercises 5 through 16, perform each of the...Ch. 9.1 - For Exercises 5 through 16, perform each of the...Ch. 9.1 - Prob. 13ECh. 9.1 - For Exercises 5 through 16, perform each of the...Ch. 9.1 - Self-Esteem Scores In a study of a group of women...Ch. 9.1 - Ages of College Students The dean of students...Ch. 9.1 - Working Breath Rate Two random samples of 32...Ch. 9.1 - Traveling Distances Find the 95% confidence...Ch. 9.1 - Prob. 19ECh. 9.1 - Prob. 20ECh. 9.1 - Television Watching The average number of hours of...Ch. 9.1 - For Exercises 5 through 16, perform each of the...Ch. 9.1 - Prob. 23ECh. 9.1 - Home Prices According to the almanac, the average...Ch. 9.1 - Exam Scores at Private and Public Schools A...Ch. 9.1 - Sale Prices for Houses The average sales price of...Ch. 9.1 - Average Earnings for College Graduates The average...Ch. 9.2 - Too Long on the Telephone A company collects data...Ch. 9.2 - For these exercises, perform each of these steps....Ch. 9.2 - For these exercises, perform each of these steps....Ch. 9.2 - Prob. 3ECh. 9.2 - Prob. 4ECh. 9.2 - For these exercises, perform each of these steps....Ch. 9.2 - For these exercises, perform each of these steps....Ch. 9.2 - For these exercises, perform each of these steps....Ch. 9.2 - For these exercises, perform each of these steps....Ch. 9.2 - Prob. 9ECh. 9.2 - Find the 95% confidence interval for the...Ch. 9.2 - Prob. 11ECh. 9.2 - Prob. 12ECh. 9.2 - Prob. 13ECh. 9.2 - Prob. 14ECh. 9.2 - Prob. 15ECh. 9.2 - Ages of Homes Whiting, Indiana, leads the Top 100...Ch. 9.2 - Prob. 17ECh. 9.2 - Out-of-State Tuitions The out-of-state tuitions...Ch. 9.2 - Gasoline Prices A random sample of monthly...Ch. 9.2 - For these exercises, perform each of these steps....Ch. 9.2 - Prob. 21ECh. 9.2 - Prob. 22ECh. 9.3 - Air Quality As a researcher for the EPA, you have...Ch. 9.3 - Classify each as independent or dependent samples....Ch. 9.3 - For Exercises 2 through 12, perform each of these...Ch. 9.3 - For Exercises 2 through 12, perform each of these...Ch. 9.3 - For Exercises 2 through 12, perform each of these...Ch. 9.3 - For Exercises 2 through 12, perform each of these...Ch. 9.3 - For Exercises 2 through 12, perform each of these...Ch. 9.3 - For Exercises 2 through 12, perform each of these...Ch. 9.3 - For Exercises 2 through 12, perform each of these...Ch. 9.3 - For Exercises 2 through 12, perform each of these...Ch. 9.3 - Toy Assembly Test An educational researcher...Ch. 9.3 - For Exercises 2 through 12, perform each of these...Ch. 9.3 - For Exercises 2 through 12, perform each of these...Ch. 9.3 - Prob. 13ECCh. 9.4 - Smoking and Education You are researching the...Ch. 9.4 - Prob. 1ECh. 9.4 - Find p and q for each. a. n = 36, X = 20 b. n =...Ch. 9.4 - Prob. 3ECh. 9.4 - Find each X, given p. a. p = 0.24, n = 300 b. p =...Ch. 9.4 - Prob. 5ECh. 9.4 - Find p and q. a. X1 = 6, n1 = 15, X2 = 9, n2 = 15...Ch. 9.4 - For Exercises 7 through 27, perform these steps....Ch. 9.4 - Leisure Time In a sample of 150 men, 132 said that...Ch. 9.4 - Prob. 9ECh. 9.4 - For Exercises 7 through 27, perform each of these...Ch. 9.4 - Prob. 11ECh. 9.4 - For Exercises 7 through 27, perform each of these...Ch. 9.4 - Prob. 13ECh. 9.4 - For Exercises 7 through 27, perform each of these...Ch. 9.4 - Prob. 15ECh. 9.4 - Smoking Survey National statistics show that 23%...Ch. 9.4 - For Exercises 7 through 27, perform each of these...Ch. 9.4 - For Exercises 7 through 27, perform each of these...Ch. 9.4 - Prob. 19ECh. 9.4 - For Exercises 7 through 27, perform these steps....Ch. 9.4 - For Exercises 7 through 27, perform these steps....Ch. 9.4 - For Exercises 7 through 27, perform these steps....Ch. 9.4 - For Exercises 7 through 27, perform these steps....Ch. 9.4 - For Exercises 7 through 27, perform these steps....Ch. 9.4 - For Exercises 7 through 27, perform these steps....Ch. 9.4 - For Exercises 7 through 27, perform these steps....Ch. 9.4 - For Exercises 7 through 27, perform these steps....Ch. 9.4 - Prob. 28ECCh. 9.5 - Automatic Transmissions Assume the following data...Ch. 9.5 - When one is computing the F test value, what...Ch. 9.5 - Why is the critical region always on the right...Ch. 9.5 - What are the two different degrees of freedom...Ch. 9.5 - What are the characteristics of the F...Ch. 9.5 - Prob. 5ECh. 9.5 - Using Table H, find the critical value for each....Ch. 9.5 - Prob. 7ECh. 9.5 - Using Table H, find the P-value interval for each...Ch. 9.5 - Prob. 9ECh. 9.5 - For Exercises 9 through 24, perform the following...Ch. 9.5 - For Exercises 9 through 24, perform the following...Ch. 9.5 - For Exercises 9 through 24, perform the following...Ch. 9.5 - Prob. 13ECh. 9.5 - For Exercises 9 through 24, perform the following...Ch. 9.5 - For Exercises 9 through 24, perform the following...Ch. 9.5 - For Exercises 9 through 24, perform the following...Ch. 9.5 - Prob. 17ECh. 9.5 - For Exercises 9 through 24, perform the following...Ch. 9.5 - For Exercises 9 through 24, perform the following...Ch. 9.5 - For Exercises 9 through 24, perform the following...Ch. 9.5 - Prob. 21ECh. 9.5 - For Exercises 9 through 24, perform the following...Ch. 9.5 - For Exercises 9 through 24, perform the following...Ch. 9.5 - For Exercises 9 through 24, perform the following...Ch. 9 - For each exercise, perform these steps. Assume...Ch. 9 - Prob. 9.1.2RECh. 9 - Prob. 9.2.3RECh. 9 - Prob. 9.2.4RECh. 9 - For each exercise, perform these steps. Assume...Ch. 9 - For each exercise, perform these steps. Assume...Ch. 9 - High and Low Temperatures March is a month of...Ch. 9 - Testing After Review A statistics class was given...Ch. 9 - Lay Teachers in Religious Schools A study found a...Ch. 9 - Prob. 9.4.10RECh. 9 - Prob. 9.5.11RECh. 9 - Heights of World Famous Cathedrals The heights (in...Ch. 9 - Prob. 9.5.13RECh. 9 - Prob. 1DACh. 9 - Prob. 2DACh. 9 - Prob. 3DACh. 9 - Prob. 4DACh. 9 - Prob. 5DACh. 9 - Prob. 1CQCh. 9 - Prob. 2CQCh. 9 - Prob. 3CQCh. 9 - Prob. 4CQCh. 9 - Prob. 5CQCh. 9 - To test the equality of two proportions, you would...Ch. 9 - Prob. 7CQCh. 9 - Prob. 8CQCh. 9 - Complete these statements with the best answer. 9....Ch. 9 - Prob. 10CQCh. 9 - Prob. 11CQCh. 9 - Prob. 12CQCh. 9 - Prob. 13CQCh. 9 - Prob. 14CQCh. 9 - Prob. 15CQCh. 9 - Prob. 16CQCh. 9 - For these exercises, perform each of these steps....Ch. 9 - Prob. 18CQCh. 9 - Prob. 19CQCh. 9 - Mathematical Skills In an effort to improve the...Ch. 9 - Prob. 21CQCh. 9 - Prob. 22CQCh. 9 - Prob. 23CQCh. 9 - Prob. 24CQCh. 9 - Prob. 25CQ
Knowledge Booster
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.Similar questions
- urgentarrow_forwardDescribe type I and type II errors for a hypothesis test of the indicated claim. A furniture store claims that no more than 25% of its new customers will return to buy their next piece of furniture. Describe the type I error. Choose the correct answer below. A. A type I error will occur when the actual proportion of new customers who return to buy their next piece of furniture is no more than 0.25, but you fail to reject H0: p≤0.25. B. A type I error will occur when the actual proportion of new customers who return to buy their next piece of furniture is at least 0.25, but you fail to reject H0: p≥0.25. C. A type I error will occur when the actual proportion of new customers who return to buy their next piece of furniture is at least 0.25, but you reject H0: p≥0.25. D. A type I error will occur when the actual proportion of new customers who return to buy their next piece of furniture is no more than 0.25, but you reject H0: p≤0.25.…arrow_forwardDescribe type I and type II errors for a hypothesis test of the indicated claim. A lumber store claims that at least 25% of its new customers will return to buy their next order of lumber. Describe the type I error. Choose the correct answer below. A. A type I error will occur when the actual proportion of new customers who return to buy their next order of lumber is at least 0.25, but you fail to reject H0: p≥0.25. B. A type I error will occur when the actual proportion of new customers who return to buy their next order of lumber is no more than 0.25, but you fail to reject H0: p≤0.25. C. A type I error will occur when the actual proportion of new customers who return to buy their next order of lumber is no more than 0.25, but you reject H0: p≤0.25. D. A type I error will occur when the actual proportion of new customers who return to buy their next order of lumber is at least 0.25, but you reject H0: p≥0.25. Describe the type II…arrow_forward
- Describe type I and type II errors for a hypothesis test of the indicated claim. A shoe store claims that no more than 25% of its new customers will return to buy their next pair of shoes. Describe the type I error. Choose the correct answer below. 16 OA. A type I error will occur when the actual proportion of new customers who return to buy their next pair of shoes is at least 0.25, but you reject Ho: p≥ 0.25. B. A type I error will occur when the actual proportion of new customers who return to buy their next pair of shoes is no more than 0.25, but you fail to reject Ho: p ≤ 0.25. C. A type I error will occur when the actual proportion of new customers who return to buy their next pair of shoes is at least 0.25, but you fail to reject Ho: p≥ 0.25. D. A type I error will occur when the actual proportion of new customers who return to buy their next pair of shoes is no more than 0.25, but you reject Ho: p≤0.25. Describe the type II error. Choose the correct answer below. O A. A type II…arrow_forwardUse the hypothesis testing process. A psychologist has prepared an “Optimism Test” that is administered yearly to graduating college seniors. The test measures how each graduating class feels about its future—the higher the score, the more optimistic the class. Last year’s class had a mean score of μ = 24. A sample of n = 10 seniors from this year’s class was selected and tested. The scores for these seniors are below. Is this year’s class different in its level of optimism from last year’s class (p < .05)? 17 20 19 15 17 17 26 27 16 22arrow_forwardQ10. Describe type I and type II errors for a hypothesis test of the indicated claim. A shoe store claims that no more than 50% of its new customers will return to buy their next pair of shoes. describe the type I error. Choose the correct answer below. A. type I error will occur when the actual proportion of new customers who return to buy their next pair of shoes is at least 0.50, but you fail to reject H0: p≥0.50. B. A type I error will occur when the actual proportion of new customers who return to buy their next pair of shoes is no more than 0.50, but you fail to reject H0: p≤0.50. C. A type I error will occur when the actual proportion of new customers who return to buy their next pair of shoes is at least 0.50, but you reject H0: p≥0.50. D. A type I error will occur when the actual proportion of new customers who return to buy their next pair of shoes is no more than 0.50, but you reject H0: p≤0.50. Describe the type II error. Choose the…arrow_forward
- Answer only C and Darrow_forwardDescribe type I and type II errors for a hypothesis test of the indicated claim. A furniture store claims that at least 40% of its new customers will return to buy their next piece of furniture. Describe the type I error. Choose the correct answer below. OA. A type I error will occur when the actual proportion of new customers who return to buy their next piece of furniture is at least 0.40, but you fail to reject Ho: p20.40. OB. A type I error will occur when the actual proportion of new customers who return to buy their next piece furniture is at least 0.40, but you reject Ho: p20.40. OC. A type I error will occur when the actual proportion of new customers who return to buy their next piece of furniture is no more than 0.40, but you reject Ho: p ≤ 0.40. OD. A type I error will occur when the actual proportion of new customers who return to buy their next piece f furniture is no more than 0.40, but you fail to reject Ho: p ≤0.40. Describe the type II error. Choose the correct answer…arrow_forwardIn a hypothesis test, H0 is p < 0.45 and Ha is p > 0.45. If the test statistic is z = 1.68, what is the P-value? Draw picture and give P-value only. Do not do rest of testing.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw Hill
Holt Mcdougal Larson Pre-algebra: Student Edition...AlgebraISBN:9780547587776Author:HOLT MCDOUGALPublisher:HOLT MCDOUGAL
Big Ideas Math A Bridge To Success Algebra 1: Stu...AlgebraISBN:9781680331141Author:HOUGHTON MIFFLIN HARCOURTPublisher:Houghton Mifflin Harcourt
College Algebra (MindTap Course List)AlgebraISBN:9781305652231Author:R. David Gustafson, Jeff HughesPublisher:Cengage Learning
Glencoe Algebra 1, Student Edition, 9780079039897...
Algebra
ISBN:9780079039897
Author:Carter
Publisher:McGraw Hill
Holt Mcdougal Larson Pre-algebra: Student Edition...
Algebra
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Big Ideas Math A Bridge To Success Algebra 1: Stu...
Algebra
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:Houghton Mifflin Harcourt
College Algebra (MindTap Course List)
Algebra
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:Cengage Learning
Mod-01 Lec-01 Discrete probability distributions (Part 1); Author: nptelhrd;https://www.youtube.com/watch?v=6x1pL9Yov1k;License: Standard YouTube License, CC-BY
Discrete Probability Distributions; Author: Learn Something;https://www.youtube.com/watch?v=m9U4UelWLFs;License: Standard YouTube License, CC-BY
Probability Distribution Functions (PMF, PDF, CDF); Author: zedstatistics;https://www.youtube.com/watch?v=YXLVjCKVP7U;License: Standard YouTube License, CC-BY
Discrete Distributions: Binomial, Poisson and Hypergeometric | Statistics for Data Science; Author: Dr. Bharatendra Rai;https://www.youtube.com/watch?v=lHhyy4JMigg;License: Standard Youtube License