document.write( "Question 742381: Hi tutors, my question is about coin toss and I think the answer is 3/8 but not 100% sure, so:
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Algebra.Com's Answer #452426 by Edwin McCravy(20065) $\"\"$ $\"About$

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Three coins are tossed. What is the probability that
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document.write( "Think of all the possible ways:\r\n" );
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document.write( "   1st       2nd       3rd        Does at least\r\n" );
document.write( "   coin      coin      coin      one show heads? \r\n" );
document.write( "1.  H         H         H             yes\r\n" );
document.write( "2.  H         H         T             yes\r\n" );
document.write( "3.  H         T         H             yes         \r\n" );
document.write( "4.  H         T         T             yes\r\n" );
document.write( "5.  T         H         H             yes          \r\n" );
document.write( "6.  T         H         T             yes\r\n" );
document.write( "7.  T         T         H             yes\r\n" );
document.write( "8.  T         T         T             no\r\n" );
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document.write( "Answer: 7 times out of 8 or .\r\n" );
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document.write( "Edwin

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