document.write( "Question 866993: a true-or-false quiz has five questions. Use a simulation or a sample space to find the probability of guessing at random and getting three correct answers \n" ); document.write( "
Algebra.Com's Answer #522685 by stanbon(75887)\"\" \"About 
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a true-or-false quiz has five questions. Use a simulation or a sample space to find the probability of guessing at random and getting three correct answers
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\n" ); document.write( "Sample space has 2^5 = 32 elements.
\n" ); document.write( "# of elements with 3 correct answers:: 5C3 = 5C2 = 10
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\n" ); document.write( "P(3 correct) = 10/32 = 5/16
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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