(3)
In a particular area 30% of men and 20% of
women are underweight. Four men and three
women work in an office.
(i)
Find the probability that there are
(a) 0
(b) 1
(c) 2 underweight men;
(d) 0
(e)
1
(f) 2 underweight women;
(g) 2 underweight people in
the office.