document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=126873>Question 126873</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0138901686/algebrahomeworkh>experimental probability</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> in a multiple-choice test,each item has four choices.<BR>\n" );
document.write( "(a)tell how to simulate the correct guessing of the corret choice.<BR>\n" );
document.write( "(b)carry out your simulation.what do you find for the experimental probability?<BR>\n" );
document.write( "(c)compare your result to the theoretical probability.\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #93079 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=93079\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> in a multiple-choice test,each item has four choices.<BR>\n" );
document.write( "(a)tell how to simulate the correct guessing of the correct choice.<BR>\n" );
document.write( "Decide in advance which of the numbers 1 to 4 is \"correct\".<BR>\n" );
document.write( "If you are using a TI-83 or better, run randInt(1,4,10)<BR>\n" );
document.write( "That will give you 10 randomly selected digits from the set<BR>\n" );
document.write( "1,2,3,4.<BR>\n" );
document.write( "If you had decided that \"3\" is a \"correct\" answer count the number<BR>\n" );
document.write( "of threes in the stream of 10.<BR>\n" );
document.write( "(b)carry out your simulation.what do you find for the experimental probability?<BR>\n" );
document.write( "I got one \"3\" in my stream of 10 random digits so the probability is 1/10.<BR>\n" );
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document.write( "(c)compare your result to the theoretical probability.<BR>\n" );
document.write( "This is binary because you either get the correct answer or you don't.<BR>\n" );
document.write( "The probability of success is 1/4; the number of trials for me was 10.<BR>\n" );
document.write( "The expected number of correct answers is (1/4)*10 or 2.5<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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