3.1.1.1. |
Sample C C1: one system 0 per cent one systemnot more than20 per cent C2: both systemsmore than 0 per cent |
a0c0 |
3.1.1.1. |
Sample C C1: one system 0 per cent one systemnot more than20 per cent C2: both systemsmore than 0 per cent |
a0c0 |