Probability and Statistics for Engineering and the Sciences
9th Edition
ISBN: 9781305251809
Author: Jay L. Devore
Publisher: Cengage Learning
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Chapter 10.3, Problem 32E
In an experiment to compare the quality of four different brands of magnetic recording tape, five 2400-ft reels of each brand (A-D) were selected and the number of flaws in each reel was determined.
| A: | 10 | 5 | 12 | 14 | 8 |
| B: | 14 | 12 | 17 | 9 | 8 |
| C: | 13 | 18 | 10 | 15 | 18 |
| D: | 17 | 16 | 12 | 22 | 14 |
It is believed that the number of flaws has approximately a Poisson distribution for each brand. Analyze the data at level .01 to see whether the expected number of flaws per reel is the same for each brand.
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Chapter 10 Solutions
Probability and Statistics for Engineering and the Sciences
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