document.write( "Question 334468: A doll toy chest contains 6 yellow dolls and five orange dolls. What is the probability of getting at random and without replacement, 2 yellow dolls? \n" ); document.write( "
Algebra.Com's Answer #239657 by jrfrunner(365) You can put this solution on YOUR website! A doll toy chest contains 6 yellow dolls and five orange dolls. What is the probability of getting at random and without replacement, 2 yellow dolls? \n" ); document.write( "-- \n" ); document.write( "Total dolls = 11 \n" ); document.write( "let Y= yellow dolls \n" ); document.write( "let O=orange dolls \n" ); document.write( "-- \n" ); document.write( "probability of getting at random and without replacement, 2 yellow dolls \n" ); document.write( "P(YY)=P(Y on first choosing)*P(Y on second choosing / First choosing is Y) \n" ); document.write( "P(YY)= (6/11)*(5/10)=(6/11)*(1/2)=3/11 \n" ); document.write( "--- \n" ); document.write( "you first have 6 yellow dolls to choose from 11 dolls, after you make that selection, your total is reduced by 1 to 10 and if that was yellow, the yellows are reduced by 1 to 5 (since its without replacement) \n" ); document.write( " |