document.write( "Question 1151214: A recent Gallup poll shows that approximately 50% of Americans drink soda every day. Suppose Alex takes a random sample of four Americans. What is the probability that at least three Americans drink soda every day or at least one American does not drink soda every day?\r
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Algebra.Com's Answer #772892 by greenestamps(13200)\"\" \"About 
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\n" ); document.write( "The conditions

\n" ); document.write( "A = \"at least three of them drink soda every day\"

\n" ); document.write( "and

\n" ); document.write( "B = \"at least one of them does not drink soda every day\"

\n" ); document.write( "together cover all the possibilities.

\n" ); document.write( "So the probability of \"A OR B\" is 1.

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