document.write( "Question 604753: What is the probability of obtaining at least one head in 3 flips of a coin? \n" ); document.write( "
Algebra.Com's Answer #381502 by scott8148(6628)\"\" \"About 
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the probability of NO heads (3 tails) is (1/2)^3 or 1/8\r
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\n" ); document.write( "\n" ); document.write( "so the probability of at least one head is 1-(1/8) or 7/8
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