actually, the 20 with an incorrect result
50% were pregnant and receved a negitive result
50% were not and received a positive result
No, the 20 with a positive result:
50% are pregnant and hence get a positive result
50% are not pregnant, but get an incorrect and hence positive result
Greets,
Philip
All things begin as source code.
Source code begins with an empty file.
-- Tao Te Chip