抽取的公仔数 |
10 |
100 |
1000 |
2000 |
3000 |
5000 |
优等品的频数 |
9 |
96 |
951 |
1900 |
2856 |
4750 |
优等品的频率 |
0.9 |
0.96 |
0.951 |
0.95 |
0.952 |
0.95 |