Gst revised option
An individual is picked at random from a group of 52 athletes.
Suppose that 26 of the athletes are female of which 6 are
swimmers. Also, there are 10 swimmers among male athletes.
(a) Given that the individual picked is a female, nd the
probability that she is a swimmer.
(b) Given that the individual picked is a swimmer, nd the
probability that he is a male.
where has 4 gone after taking l.c.m ....4 is not there in the second line i highlighted?