document.write( "Question 1157528: Four coins are tossed. Find the probability of tossing at least one head. \n" ); document.write( "
Algebra.Com's Answer #780412 by Edwin McCravy(20060)\"\" \"About 
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document.write( "The probability of tossing at least one head =\r\n" );
document.write( "ONE MINUS the probability of tossing 4 tails = 1-(1/2)(1/2)(1/2)(1/2) =\r\n" );
document.write( "1-1/16 = 15/16.\r\n" );
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document.write( "Edwin
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