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A First Course in Probability (10th Edition)
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
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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