document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=285518>Question 285518</A>: <I><SPAN STYLE=\"word-break: break-all;\"> suppose you are writing a multiple choice exam in which each answer has 5 choices. you decide to use in which you place 5 balls in a box (marked A,B,C,D,E). you randomly select 1 ball for each question and replace it, the marking on the ball determines your answer to the question. If there are 10 questions, <BR>\n" );
document.write( "1. what is the probability of getting 5 questions correct?<BR>\n" );
document.write( "2. getting at least 3 questions correct?<BR>\n" );
document.write( "3. what is the expected number of correct answers?<BR>\n" );
document.write( "4. what is the standard deviation? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #207096 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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/cgi-bin/show-face.mpl?user=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=207096\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Just curious.<BR>\n" );
document.write( "Had you looked for similar problems before posting?<BR>\n" );
document.write( "Had you looked for lessons before posting?<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );