What are the odds against drawing:
a) A face card from a standard deck?
40 non-face cards against 12 face cards
40 to 12
or divide them both by 4
10 to 3
or divide them both by 3
to 1 odds against drawing a face card.
b) Two face cards?
C(52,2)-C(12,2) to C(12,2)
or
(1326-66) to 66
or
1260 to 66
or divide both by 6
210 to 11
or divide both by 11
to 1 odds against drawing a pair of face cards.
Edwin