If x passed IS, then
x+9 + x - 15 = 60
(i) solve for x, then you can answer this
(b) 15 passed both, so 45/60 passed exactly one.
In an examination class,60 candidates pass Integrated science or Mathematics.If 15 passed both subject and 9 more passed Mathematics, than Integrated science. find
(i) number of candidate who passed in each subject.
(ii) Probability that a candidate passed exactly one subject
1 answer
1 answer