document.write( "Question 337144: in a box there are 10 black and 5 red balls . if one ball is picked up randomly what is the probability that it is black ball. \n" ); document.write( "
Algebra.Com's Answer #241702 by Fombitz(32388)\"\" \"About 
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10 Black
\n" ); document.write( "5 Red
\n" ); document.write( "15 Total
\n" ); document.write( "P(Black)=\"10%2F15=2%2F3\"
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