STATS:DATA+MODELS-W/DVD
4th Edition
ISBN: 9780321986498
Author: DeVeaux
Publisher: PEARSON
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Chapter 10, Problem 3E
To determine
Identify the component of the study to run the simulation.
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8.64 Radon exposure in Egyptian tombs. Refer to the
D Radiation Protection Dosimetry (Dec. 2010) study
TOMBS of radon exposure in Egyptian tombs, Exercise 7.39
(p. 334). The radon levels-measured in becquerels per
cubic meter (Bq/m³)-in the inner chambers of a sam-
ple of 12 tombs are listed in the table. For the safety of
the guards and visitors, the Egypt Tourism Authority
(ETA) will temporarily close the tombs if the true mean
level of radon exposure in the tombs rises to 6,000 Bq/m³.
Consequently, the ETA wants to conduct a test to deter-
mine if the true mean level of radon exposure in the tombs
is less than 6,000 Bq/m³, using a Type I error probabil-
ity of .10. A SAS analysis of the data is shown on p. 399.
Specify all the elements of the test: Ho, Ha, test statistic,
p-value, a, and your conclusion.
50
390
910
12100
180
580
7800
4000
3400
1300
11900 1100
N Mean Std Dev Std Err Minimum Maximum
12 3642.5
4486.9 1295.3
50.0000
12100.0
How does probability help businesses make informed decisions under uncertainty?
Provide an example of how businesses use probability in marketing to predict customer behavior.
Why is probability considered essential in financial decision-making, particularly in portfolio management?
Discuss how the use of probability in inventory management can improve customer satisfaction.
Compare the role of probability in marketing and financial decision-making. How do the applications differ in their objectives?
55
5.5
A glass bottle manufacturing company has recorded data on the average
number of defects per 10,000 bottles due to stones (small pieces of rock
embedded in the bottle wall) and the number of weeks since the last furnace
overhaul. The data are shown below.
Defects per 10,000
Weeks
13.0
4
16.1
5
14.5
6
17.8
7
22.0
8
27.4
9
16.8
10
65.6
☐☐
Defects per 10,000
Weeks
34.2
11
12
49.2
13
66.2
81.2
87.4
14
15
16
114.5
17
a. Fit a straight-line regression model to the data and perform the standard
tests for model adequacy.
b. Suggest an appropriate transformation to eliminate the problems encoun-
tered in part a. Fit the transformed model and check for adequacy.
Chapter 10 Solutions
STATS:DATA+MODELS-W/DVD
Ch. 10.2 - Prob. 1JCCh. 10.2 - Prob. 2JCCh. 10.2 - Prob. 3JCCh. 10.2 - Prob. 4JCCh. 10.2 - The baseball World Series consists of up to seven...Ch. 10 - Prob. 1ECh. 10 - Prob. 2ECh. 10 - Prob. 3ECh. 10 - Prob. 4ECh. 10 - Prob. 5E
Ch. 10 - Prob. 6ECh. 10 - Prob. 7ECh. 10 - Prob. 8ECh. 10 - Prob. 9ECh. 10 - Prob. 10ECh. 10 - Prob. 11ECh. 10 - Prob. 12ECh. 10 - Prob. 13ECh. 10 - Prob. 14ECh. 10 - Prob. 15ECh. 10 - Prob. 16ECh. 10 - Prob. 17ECh. 10 - 18. Another wrong conclusion After simulating the...Ch. 10 - 19. Election You’re pretty sure that your...Ch. 10 - Prob. 20ECh. 10 - Prob. 21ECh. 10 - Prob. 22ECh. 10 - Prob. 23ECh. 10 - 24. Lucky guessing? A friend of yours who took the...Ch. 10 - Prob. 29ECh. 10 - Prob. 30ECh. 10 - Prob. 31ECh. 10 - Prob. 32ECh. 10 - Prob. 33ECh. 10 - Prob. 34ECh. 10 - Prob. 35ECh. 10 - Prob. 36ECh. 10 - Prob. 37ECh. 10 - Prob. 38ECh. 10 - Prob. 39ECh. 10 - 40. The World Series The World Series ends when a...Ch. 10 - Prob. 41ECh. 10 - Prob. 42ECh. 10 - Prob. 43ECh. 10 - Prob. 44E
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