document.write( "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? \n" ); document.write( "
Algebra.Com's Answer #231240 by Fombitz(32388)![]() ![]() You can put this solution on YOUR website! You didn't mention with or without replacement. \n" ); document.write( "2 B \n" ); document.write( "2 R \n" ); document.write( "2 Y \n" ); document.write( "2 G \n" ); document.write( "8 total cards \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( "With replacement, \n" ); document.write( "P(1st B)=2/8=1/4 \n" ); document.write( "P(2nd B)=1/4 \n" ); document.write( "P(both blue)=(1/4)(1/4)=1/16 \n" ); document.write( "P(both not blue)=1-1/16=15/16 \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( "Without replacement, \n" ); document.write( "P(1st B)=2/8=1/4 \n" ); document.write( "P(2nd B)=1/7 \n" ); document.write( "P(both blue)=(1/4)(1/7)=1/28 \n" ); document.write( "P(both not blue)=1-1/28=27/28 \n" ); document.write( " |