document.write( "Question 401083: Please help me solve this problem.\r
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\n" ); document.write( "\n" ); document.write( "A coin is tossed 3 times. What is the probability of obtaining at least 1 head? \r
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Algebra.Com's Answer #283817 by subudear(62)\"\" \"About 
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A coin is tossed 3 times. \r
\n" ); document.write( "\n" ); document.write( "Probability of getting NO heads on all three toss is 1/2*1/2*1/2 = 1/8\r
\n" ); document.write( "\n" ); document.write( "Therefore probability of getting at least 1 head is = 1 - 1/8 = 7/8
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