document.write( "Question 872056: Suppose that a jar contains 4 pens: 2 black, 1 blue, and 1 red. Three people select a pen at random from the jar, sign a document, and replace the pen in the jar before the next person selects a pen. What is the probability that none of the people use the red pen to sign the document? \n" ); document.write( "
Algebra.Com's Answer #525894 by Fombitz(32388)\"\" \"About 
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\n" ); document.write( "Look at all the possible outcomes, there are 27 of them.
\n" ); document.write( "K - black, B-blue, R-red
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\n" ); document.write( "KKK KKB KKR KBK KBB KBR KRK KRB KRR <-- 4 w/o R
\n" ); document.write( "BKK BKB BKR BBK BBB BBR BRK BRB BRR <-- 4 w/o R
\n" ); document.write( "RKK RKB RKR RBK RBB RBR RRK RRB RRR <-- 0 w/o R
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\n" ); document.write( "Look at the outcomes that do not have an R in them.
\n" ); document.write( "There are 8 of them.
\n" ); document.write( "\"P%28no_R%29=8%2F27\"\r
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