23. From a group of 6 women and 4 men, determine in how many ways a committee of 4 people can be selected with

a) no restriction

my answer:

C (10,4) = 10! ÷ 6! 4! = 210 ways

b) 4 women

c) 3 women and 1 man

d) 2 women and 2 men

e) 4 men

.. if someone could do b and c for me... I will figure out how to do the rest on my own.

Thanks!