Question 391933: Please! help me with this home work. Thank you
two cards are drawn from a standard deck of cards .Find probability
P(both king or red)
P(both face cards or both black)
Answer by sudhanshu_kmr(1152) (Show Source):
You can put this solution on YOUR website!
1.
there are 4 kings ( 2 red, 2 black) ,26 red cards
probability of both king or red cards = 4C2/52C2 + 26C2/52C2 - 2C2/52C2
2. there are 12 face cards ( 6 red, 6 black), 26 black cards
probability of both face cards or black cards = 12C2/52C2 + 26C2/52C2 - 6C2/52C2
|
|
|