document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=324338>Question 324338</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a group of students consists of 10 male freshman, 15 female freshman, 20 male sophmores and 5 female sophmores. If one person is randomly selected from the group, find the probability of selecting a freshman or a female </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #232125 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=232125\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> P(freshman)=(10+15)/(10+15+20+5)=25/50=1/2<BR>\n" );
document.write( "P(female)=(15+5)/50=20/50<BR>\n" );
document.write( "P(freshman and female)=15/50<BR>\n" );
document.write( "Subtract those that are freshman and female so they're not double counted.<BR>\n" );
document.write( "P(freshman or female)=P(freshman)+P(female)-P(freshman and female)<BR>\n" );
document.write( "P(freshman or female)=25/50+20/50-15/50<BR>\n" );
document.write( "P(freshman or female)=30/50=3/5<BR>\n" );
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document.write( "Another way to look at it is \"find the probability of selecting a freshman or a female sophomore\",<BR>\n" );
document.write( "P=25/50+5/50=30/50=3/5 </SPAN>\n" );
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