Answer:
a) 5:9
b) 4:9
c) 3:9 not sure tho
d) you need to choose 3 females out of 5 while you need to choose at least 3 black pups. with 3 black pups the posibility there is 4:9 while with exactly 3 females your posibility is 5:9
3.7m questions
4.7m answers