Question

Fred randomly draws two cards from a standard deck of 52 cards. He does not replace the first card. What is the probability that both cards are jacks?
 A. 1/221
B. 1/26
C. 1/1326
D. 1/663

Answer 1

$\\|\Omega|={52\choose2}=\frac{52!}{2!*50!}=51*26=1326 \\ \\|A|={4\choose2}=3*2=6 \\ \\P(A)=\frac{6}{1326}=\frac{1}{221} \\ \\A.$

Answer 2

1/221 ~~~~~~~~~~~~~~ APEX