deck of cards

Question

You have a standard deck of cards .You pick one card from the deck and then , without putting the other one back , pick a second card.What is the probility that both cards will be 9s? a) 0.25 b) 0.38 c) 0.016 d) 0.005

Answer 1

there are 4 nines out of 52 cards

4/52 for the first draw

3/51 for the second draw

4/52=1/13

3/51=1/17

(1/13)(17)=1/221=0.004524=0.005 d)