Every player gets 13 cards. Suppose one player gets a King, what is the
probability that she holds all the Kings?
x**********2 发帖数: 169
2
P(she has all the kings | she has at least one king)
=P(she has all the kings)/P(she has at least one king)
=P(she has all the kings)/(1-P(she has no king))
=(((48¦9))/((52¦13) ))/(1-((48¦13))/((52¦13) ))
here (48¦9) means 48!/(9!39!)
=0.38%
