Representative example
For true pos
10000 chances for true pos
Observed true pos: 89 = 0.890% (expected average:
90 = 0.900%)
For false pos
10000 chances for false pos
Observed false pos: 974 = 9.740% (expected average:
990 = 9.900%)
For false neg
10000 chances for false neg
Observed false neg: 5 = 0.050% (expected average:
10 = 0.100%)