document.write( "Question 1162349: A survey of 1000 people were asked whether they wear eyeglasses while driving.
\n" ); document.write( "These people were also tested to see whether they need to wear eyeglasses
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\n" ); document.write( "440 wear glasses and need to wear them
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\n" ); document.write( "140 don't wear glasses but need to wear them
\n" ); document.write( "400 don't wear glasses and don't need to wear them
\n" ); document.write( "What is the probability that they wear glasses while driving even though they
\n" ); document.write( "do not need to wear them?
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Algebra.Com's Answer #786189 by ikleyn(52800)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "The question in this post\r
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document.write( "    What is the probability that they wear glasses while driving even though they do not need to wear them?\r\n" );
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\r
\n" ); document.write( "\n" ); document.write( "is posed  INCORRECTLY,  since it does not define who are that  \"they\".\r
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\n" ); document.write( "\n" ); document.write( "A  RIGHT  question should be\r
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document.write( "    If a person is selected randomly from these 1000 people, \r\n" );
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document.write( "    then what is the probability that he (or she) wears glasses while driving even though he (or she) does not need to wear them?\r\n" );
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\r
\n" ); document.write( "\n" ); document.write( "Then the answer,  as it is  OBVIOUS,  is   \"20%2F1000\" = \"1%2F50\".\r
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