document.write( "Question 549338: essica drops three coins on the floor. What is the difference between the probability that at least two coins land heads up and the probability that exactly three land tails up? \n" ); document.write( "
Algebra.Com's Answer #357657 by solver91311(24713)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "The difference is the probability that exactly two land heads up.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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