document.write( "Question 343357: Three fair coins are tossed. What is the probability that at least two are heads?\r
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Algebra.Com's Answer #245697 by Fombitz(32388)![]() ![]() You can put this solution on YOUR website! Look at the possible outcomes. \n" ); document.write( "There are 8 of them. \n" ); document.write( "H H H \n" ); document.write( "H H T \n" ); document.write( "H T H \n" ); document.write( "H T T \n" ); document.write( "T H H \n" ); document.write( "T H T \n" ); document.write( "T T H \n" ); document.write( "T T T \n" ); document.write( "Count the ones that have at least 2 heads. \n" ); document.write( "There are four of them. \n" ); document.write( "The probability is then 4 possible outcomes out of 8 total outcomes. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |