Question 322916
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