Question 1050835
Total 9: 5men and 4 women
Choosing 4
how many groups may be formed 
a. All men = (5C4)(4C0)
b. 2men and 2women = (5C2)(4C2)
c. exactly 3 women = (5C1)(4C3)
d. atleast 3women = (5C1)(4C3) + (4C4)
e. atleast 1 man = All Choices - All Women = 9C4 - 4C4