document.write( "Question 1106041: A test consists of fifteen true/false questions.
\n" ); document.write( "A student who forgot to study guesses randomly
\n" ); document.write( "on every question. What is the probability that
\n" ); document.write( "the student answers exactly five questions
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Algebra.Com's Answer #720962 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
\"+2%5E15+\" is the number of possible test results
\n" ); document.write( "The number of test results with \"+5+\" correct answers is:
\n" ); document.write( "C( 15,5 ) = \"+15%21+%2F+%28%28+15+-+5+%29%21+%2A+5%21+%29+\"
\n" ); document.write( "C( 15,5 ) =
\n" ); document.write( "C( 15,5 ) = \"+%28+15%2A14%2A13%2A12%2A11+%29+%2F+%28+5%2A4%2A3%2A2%2A1+%29+\"
\n" ); document.write( "C( 15,5 ) = \"+%28+14%2A13%2A12%2A11+%29+%2F+8+\"
\n" ); document.write( "C( 15,5 ) = \"++7%2A13%2A3%2A11+\"
\n" ); document.write( "C( 15,5 ) = \"+3003+\"
\n" ); document.write( "\"+3003+%2F+2%5E15+\"
\n" ); document.write( "( I lost my calculator -you can calculate )\r
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