Seven numbered red balls and three indistinguishable blue balls are to be placed in five labelled boxes.
(a) What is the number of placements with the condition that each box contains at least one red ball?
(b) What is the number of placements where each box contains at most one blue ball and none of the boxes are left empty?
Already registered? Login
Not Account? Sign up
Enter your email address to reset your password
Back to Login? Click here