SOLUTION: A certain deck of cards contains 2 blue cards, 2 red cards, 2 yellow cards, and 2 green cards. If two cards are randomly drawn from the deck, what is the probability that they will
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-> SOLUTION: A certain deck of cards contains 2 blue cards, 2 red cards, 2 yellow cards, and 2 green cards. If two cards are randomly drawn from the deck, what is the probability that they will
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Question 322916: A certain deck of cards contains 2 blue cards, 2 red cards, 2 yellow cards, and 2 green cards. If two cards are randomly drawn from the deck, what is the probability that they will both are not blue? Answer by Fombitz(32388) (Show Source):
You can put this solution on YOUR website! You didn't mention with or without replacement.
2 B
2 R
2 Y
2 G
8 total cards
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With replacement,
P(1st B)=2/8=1/4
P(2nd B)=1/4
P(both blue)=(1/4)(1/4)=1/16
P(both not blue)=1-1/16=15/16
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Without replacement,
P(1st B)=2/8=1/4
P(2nd B)=1/7
P(both blue)=(1/4)(1/7)=1/28
P(both not blue)=1-1/28=27/28
