document.write( "Question 345173: In a deck of cards, five are pulled at random. What is the probabilty that exactly three of them will be spades? \n" ); document.write( "
Algebra.Com's Answer #247074 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! In a deck of cards, five are pulled at random. What is the probabilty that exactly three of them will be spades?\r \n" ); document.write( "\n" ); document.write( "----- \n" ); document.write( "# of ways to select 3 spades: 13C3 \n" ); document.write( "# of ways to select 2 non-spades: 39C2 \n" ); document.write( "----- \n" ); document.write( "# of ways to select 5 cards randomly: 52C5 \n" ); document.write( "================ \n" ); document.write( "P(3spades and 2 other) = [13C3*39C2)/52C5 = 0.0815 \n" ); document.write( "================================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |