document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=86635>Question 86635</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can someone correct this for me please....thanks<BR>\n" );
document.write( "Problem #1<BR>\n" );
document.write( "A marble is drawn from a box containing 3 yellow, 4 white, and 8 blue marbles. Find the odds in favor of drawing the following.<BR>\n" );
document.write( "a. A yellow marble <BR>\n" );
document.write( "My answer 3/15<BR>\n" );
document.write( "b. A blue marble <BR>\n" );
document.write( "my answer 4/15<BR>\n" );
document.write( "c. A white marble<BR>\n" );
document.write( "My answer 8/15\r<BR>\n" );
document.write( "\n" );
document.write( "Problem #2<BR>\n" );
document.write( ". Body Types A study on body types gave the following<BR>\n" );
document.write( "results: 45% were short; 25% were short and overweight;<BR>\n" );
document.write( "and 24% were tall and not overweight. Find the probabilities<BR>\n" );
document.write( "that a person is the following.<BR>\n" );
document.write( "a. Overweight<BR>\n" );
document.write( "b. Short, but not overweight<BR>\n" );
document.write( "c. Tall and overweight\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #62673 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=62673\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Problem #1<BR>\n" );
document.write( "A marble is drawn from a box containing 3 yellow, 4 white, and 8 blue marbles. Find the odds in favor of drawing the following.<BR>\n" );
document.write( "a. A yellow marble <BR>\n" );
document.write( "P(yellow) = 3/15; P(not yellow)= 12/15;<BR>\n" );
document.write( "Odds in favor of yellow = [3/15]/[12/15] = 3:12<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "b. A blue marble <BR>\n" );
document.write( "P(blue) = 8/15; P(not blue)=7/15; <BR>\n" );
document.write( "Odds in favor of blue = [8/15]/[7/15]= 8:7<BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "c. A white marble<BR>\n" );
document.write( "Odds in favor of white = 4:11<BR>\n" );
document.write( "------------------------<BR>\n" );
document.write( "Problem #2<BR>\n" );
document.write( ". Body Types A study on body types gave the following<BR>\n" );
document.write( "results: 45% were short; 25% were short and overweight;<BR>\n" );
document.write( "and 24% were tall and not overweight. Find the probabilities<BR>\n" );
document.write( "that a person is the following.<BR>\n" );
document.write( "Draw a contingency table with rows \"short\" and \"tall\" <BR>\n" );
document.write( "and with columns \"over weight\" and \"not over weight\".<BR>\n" );
document.write( "Enter the given data in the proper boxes or at the sum of row or column.<BR>\n" );
document.write( "Fill in the empty boxes so the row and column sums are proper.<BR>\n" );
document.write( "Then:<BR>\n" );
document.write( "a. P(Overweight) = P(short and over) + P(tall and over) = 0.25+0.31= 0.56<BR>\n" );
document.write( "b. P(Short, but not overweight) = 0.20<BR>\n" );
document.write( "c. P(Tall and overweight) = 0.31<BR>\n" );
document.write( "================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. \r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );