Table 8.
Quantiles of p assuming square fields, and probabilities of 0.01, 0.25, 0.5, 0.75 and 0.99. The table lists the number of infected plants per 10,000 plants
Field size (acres) | Number of plants inspected | Quantiles of p based on finding no infected plants in a field | |||||
---|---|---|---|---|---|---|---|
From | To | 1% | 25% | 50% | 75% | 99% | |
0 | 1 | 1,492 | 0.0674 | 1.928 | 4.65 | 9.29 | 30.87 |
1 | 5 | 5,482 | 0.0183 | 0.525 | 1.26 | 2.53 | 8.40 |
5 | 10 | 10,593 | 0.0095 | 0.272 | 0.65 | 1.31 | 4.35 |
10 | 20 | 17,705 | 0.0057 | 0.162 | 0.39 | 0.78 | 2.60 |
20 | 50 | 35,366 | 0.0028 | 0.081 | 0.20 | 0.39 | 1.30 |
50 | 100 | 60,907 | 0.0017 | 0.047 | 0.11 | 0.23 | 0.76 |
100 | 200 | 103,362 | 0.0010 | 0.028 | 0.07 | 0.13 | 0.45 |
200 | 500 | 197,360 | 0.0005 | 0.015 | 0.04 | 0.07 | 0.23 |
500 | 1,000 | 346,687 | 0.0003 | 0.008 | 0.02 | 0.04 | 0.13 |
1,000 | 2,000 | 572,005 | 0.0002 | 0.005 | 0.01 | 0.02 | 0.08 |