document.write( "Question 383055: A student tossed three coins. What is the probability of getting at least two heads? This is a Probabilty of independant events 1/2 * 1/2 = 1/4 or 25% \n" ); document.write( "
Algebra.Com's Answer #271339 by stanbon(75887)\"\" \"About 
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A student tossed three coins. What is the probability
\n" ); document.write( "of getting at least two heads?
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\n" ); document.write( "P(2<= x <=3) = 3C2(1/2)^3 + 3C3(1/2)^3 = (3+1)/8 = 1/2\r
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\n" ); document.write( "Cheers,
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