document.write( "Question 872090: 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 #525893 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! 4 pens: 2B,1Blu, 1R \n" ); document.write( "selected 1 (and replaced it in jar)!! mix stays the same for all three \n" ); document.write( "P(a person selects no red) = 3/4 \n" ); document.write( "P(1st and 2nd and 3rd do not choose red) = \n" ); document.write( "Not: 'and' indicates the multiplication \n" ); document.write( " \n" ); document.write( " |