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A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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![A battery manufacturer is trying to improve the lifetime of its battery by considering
three types of technologies in its production line: A, B and C. To instigate the effect of
these technologies on the battery life a 23 experiment is run, and the data from two
replicates are shown in the following table. (a=0.01)
(a) Do any of the three technologies affect battery lifetime?
(b) Is there a combination of technology A and C that always gives good results
regardless of applying technology B?
А
A+
Technology
B-
B+
B-
B+
221
354
325
552
C-
311
348
435
472
440
605
406
392
C+
453
500
377
419
*
A¯means the technology A is not applied and A* means technology A is applied](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc8001997-2ceb-46f6-9c5d-d321065f3203%2Fb4e983f7-6984-4e13-bb9d-90b8512dd68e%2Fwbj53or_processed.png&w=3840&q=75)
Transcribed Image Text:A battery manufacturer is trying to improve the lifetime of its battery by considering
three types of technologies in its production line: A, B and C. To instigate the effect of
these technologies on the battery life a 23 experiment is run, and the data from two
replicates are shown in the following table. (a=0.01)
(a) Do any of the three technologies affect battery lifetime?
(b) Is there a combination of technology A and C that always gives good results
regardless of applying technology B?
А
A+
Technology
B-
B+
B-
B+
221
354
325
552
C-
311
348
435
472
440
605
406
392
C+
453
500
377
419
*
A¯means the technology A is not applied and A* means technology A is applied
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