document.write( "Question 1167967: A student is taking a multiple-choice exam in which each question has four choices. Assume that the student has no knowledge of the correct answers to any of the questions. She has decided on a strategy in which she will place four balls (marked A, B, C, and D) into a box. She randomly selects one ball
\n" ); document.write( "for each question and replaces the ball in the box. The marking on the ball will determine her answer to the question. There are five multiple-choice questions on the exam.
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\n" ); document.write( "c. less than four correct \n" ); document.write( "

Algebra.Com's Answer #792570 by ikleyn(52787) $\"\"$ $\"About$

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document.write( "a.  no  answer is correct     P = .\r\n" );
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document.write( "b.  all  answers are correct   P =  =  = .\r\n" );
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document.write( "c.  less than four  are correct      P = 1 - .\r\n" );
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