document.write( "Question 1173628: A five item true/false quiz is given. How many ways can this quiz be answered such that at least 4 items are correct. \n" ); document.write( "
Algebra.Com's Answer #798888 by ikleyn(52781)\"\" \"About 
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document.write( "There are 5 cases, when exactly 4 of 5 items answered correctly.\r\n" );
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document.write( "Add to it one case when all 5 items answered correctly, and you will get the ANSWER  5 + 1 = 6, finally.\r\n" );
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The post-solution note:

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\n" ); document.write( "\n" ); document.write( "            @ewatrrr produced different answer from mine,  and it  REQUIRES  me  to make explanations.\r
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\n" ); document.write( "\n" ); document.write( "            The cause is in that  @ewatrrr  INCORRECTLY  treats the notion  \"answer\".\r
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\n" ); document.write( "\n" ); document.write( "                    In this context,  the answer  IS  NOT  HOW  or  WHAT  the teacher evaluates the student's  answer.\r
\n" ); document.write( "\n" ); document.write( "                     It is not a  \"CORRECT\"  or  \"INCORRECT\"  output value of the item.\r
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\n" ); document.write( "\n" ); document.write( "                     For each  \"item\",  the  answer  is one of options  A,  B,  C,  or  D,  marked by student and treated as the answer.\r
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\n" ); document.write( "\n" ); document.write( "                     It is absolutely standard and traditional interpretation in this kind of problems.\r
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\n" ); document.write( "\n" ); document.write( "            Keeping it in mind,  EVERYBODY  should  CLEARLY  UNDERSTAND  that my solution is CORRECT,\r
\n" ); document.write( "\n" ); document.write( "            while @ewatrrr solution is  WRONG.\r
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\n" ); document.write( "\n" ); document.write( "They are  VERY  ELEMENTARY  conceptions for this kind of problems,  that everybody knows or should know --- but not  @ewatrrr.\r
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