Posted by Jen on Tuesday, July 26, 2011 at 5:09pm.
One card is selected from a deck of playing cards. Determine the probability of selecting:
a card greater than 9 or a black card

MathNew Question  Ms. Sue, Tuesday, July 26, 2011 at 5:54pm
26 black cards + 10 red cards above 9 = 36
Probability: 36/52 = 9/13

MathNew Question  Jen, Tuesday, July 26, 2011 at 7:07pm
Ms. Sue, number of cards greater than 9 = 4 (suits) * 4 (10, j, Q, K) = 16
but that includes the 8 black cards greater than 9 already counted in the black cards. What is the final answer? I'm lost :(

MathNew Question  Ms. Sue, Tuesday, July 26, 2011 at 7:11pm
You're looking for a card greater than 9 or a black card.
Which cards are considered greater than 9 depends upon the game you're playing. All of the games I play include the Ace as a high card.

MathNew Question  Jen, Tuesday, July 26, 2011 at 7:16pm
ooooooh ok

MathNew Question  Anonymous, Tuesday, July 26, 2011 at 7:50pm
The number of cards greater than 9 or black= the number of cards greater then 9 + the number of black cards  the number of black cards greater then 9
=5*4 + 26  5*2=36
Probability=36/52

MathNew Question  Anonymous, Sunday, May 6, 2012 at 12:03am
what is the answer if the ace is considered a low card?
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