document.write( "Question 232647: suppose you flip a oin 3 times what is the probability that at least once the coin comes up head \n" ); document.write( "
Algebra.Com's Answer #171870 by stanbon(75887)\"\" \"About 
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suppose you flip a oin 3 times what is the probability that at least once the coin comes up head
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\n" ); document.write( "P(at least one head) + P(no heads) = 1
\n" ); document.write( "P(at least one head) = 1 - P(no heads)= 1 - (1/2)^3 = 1-(1/8) = 7/8
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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