document.write( "Question 1189834: Four fair coins are tossed at once. The probability of getting at least three heads is\r
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Algebra.Com's Answer #821330 by ikleyn(52879) $\"\"$ $\"About$

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document.write( "Binomial distribution problem.\r\n" );
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document.write( "The answer is     =  = .\r\n" );
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