document.write( "Question 1166728: On a 7 question multiple-choice test, where each question has 3 answers, what would be the probability of getting at least one question wrong?\r
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Algebra.Com's Answer #791230 by ikleyn(52817) $\"\"$ $\"About$

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document.write( "The probability to answer all questions correctly is  .\r\n" );
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document.write( "The probability of getting at least one question wrong is the complement to it\r\n" );
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document.write( "    P = 1 - .      ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "For introductory lessons on Elementary Probability theory see the lessons\r
\n" ); document.write( "\n" ); document.write( "    - Simple and simplest probability problems \r
\n" ); document.write( "\n" ); document.write( "    - Solving probability problems using complementary probability \r
\n" ); document.write( "\n" ); document.write( "    - Elementary Probability problems related to combinations \r
\n" ); document.write( "\n" ); document.write( "    - A True/False test \r
\n" ); document.write( "\n" ); document.write( "    - A multiple choice answers test\r
\n" ); document.write( "\n" ); document.write( "    - Conditional probability problems \r
\n" ); document.write( "\n" ); document.write( "    - Typical probability problems from the archive \r
\n" ); document.write( "\n" ); document.write( "    - Experimental probability problems \r
\n" ); document.write( "\n" ); document.write( "    - Elementary operations on sets help solving Probability problems \r
\n" ); document.write( "\n" ); document.write( "in this site.\r
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\n" ); document.write( "\n" ); document.write( "Also, you have this free of charge online textbook in ALGEBRA-II in this site\r
\n" ); document.write( "\n" ); document.write( "    - ALGEBRA-II - YOUR ONLINE TEXTBOOK.\r
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\n" ); document.write( "\n" ); document.write( "The referred lessons are the part of this online textbook under the topic \"Solved problems on Probability\". \r
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\n" ); document.write( "\n" ); document.write( "Save the link to this textbook together with its description\r
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\n" ); document.write( "\n" ); document.write( "Free of charge online textbook in ALGEBRA-II
\n" ); document.write( "https://www.algebra.com/algebra/homework/complex/ALGEBRA-II-YOUR-ONLINE-TEXTBOOK.lesson\r
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\n" ); document.write( "\n" ); document.write( "into your archive and use when it is needed.\r
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\n" ); document.write( "\n" ); document.write( "Consider these lessons as your textbook, handbook, a Solutions Manual, tutorials and (free of charge) home teacher.\r
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\n" ); document.write( "\n" ); document.write( "Happy learning (!)\r
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