View Full Version : Deck of Cards....Again.

04-08-2008, 12:06 AM
Ok, what am I missing? One card is selected from a deck of cards. Find the probability of selecting a black card or a card less than 9. (Note: The ace is considered a low card.)

There are 26 blacks cards and there are 28 cards less than 9 including the ace's. Why am I getting 58 over 52? Or is the denominator 26?

Please help.

04-08-2008, 12:07 AM
How many of the cards are both black and less than 9? So how many cards have you counted twice? :wink: