U.S. Department of Agriculture
Food Safety and Inspection Service
Washington, DC 20250
STATISTICAL TABLE: NUMBER OF SAMPLES REQUIRED TO ENSURE DETECTION
OF A PROBLEM THAT AFFECTS A GIVEN PERCENTAGE OF THE SAMPLED POPULATION
| Percentage Violative in Sampled Population |
Probability of Detection (Percent) | |||
| 90 | 95 | 99 | 99.9 | |
| Samples Required | ||||
| 10 | 22 | 29 | 44 | 66 |
| 5 | 45 | 59 | 90 | 135 |
| 1 | 230 | 299 | 459 | 688 |
| 0.5 | 460 | 598 | 919 | 1,379 |
| 0.1 | 2,302 | 2,995 | 4,603 | 6,905 |
| 0.05 | 4,605 | 5,990 | 9,209 | 13,813 |
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Last Updated On 05/13/1998.