Question 894269
let say there are 100 employees sent to a b c
20 went to a .80*20 pass 16 pass
35 went to b .75*35 pass 26.25 pass
45 went to c .60*45 pass 27 pass

add them up
16+26.25+27=69.25 passed
b/total
26.25/69.25=.379