posted by Twg .
What are the odds in favor of drawing a spade and a heart if drawing from a deck of cards w/o replacement?
MATH Prob. -
the prob of a spade and a heart
= 2(13/52)(13/51) = 13/102
so the prob of NOT a spade and a heart
= 1 - 13/102
so the odds in favour of drawing a spade and a heart is 13:89