Posted by HELEN on Sunday, March 16, 2014 at 3:33pm.
You draw one card from a shuffled standard deck or cards (cards are in four suitsred diamonds, red heart, black clubs and black spadesand are numbered 2,3,4,5,6,7,8,9,10, J,O,K,A).
A.What is the probability of drawing a red card
B.What is the probability of drawing a queen
c. What is the probability of drawing a red queen.
d. What is the probability of drawing a queen given that you drew a face card (face card are jacks, queens, and kings).

statistic  PsyDAG, Sunday, March 16, 2014 at 4:18pm
A. 26/52 = ?
B. How many queens are there? Divide by 52.
C. How many red queens are there? Divide by 52.
D. If the face card was replaced, no different from B.
If not replaced, and queen drawn, 3/51. Or if queen not drawn, 4/51.
Eitheror probabilities are found by adding the individual probabilities.

statistic  PsyDAG, Sunday, March 16, 2014 at 4:19pm
I'm not sure about D.

statistic  HELEN, Sunday, March 16, 2014 at 5:38pm
thanks a bunch
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