document.write( "Question 1083913: Roberto tosses a coin tree times what is the theoretical probability a coin landing on heads at least on of those times?
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Algebra.Com's Answer #697978 by josmiceli(19441)\"\" \"About 
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The table of possibilities is \"+2%2A2%2A2+=+8+\"
\n" ); document.write( "TTT
\n" ); document.write( "TTH
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\n" ); document.write( "THH
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\n" ); document.write( "There is at least 1 head in every case
\n" ); document.write( "but the first one, so I can say:
\n" ); document.write( "P[ at least 1 head ] = 7/8
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