document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1117176>Question 1117176</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A class of 50 students obtained the following grades in a statistics course:<BR>\n" );
document.write( "A 5 B 25 C 15 D 5<BR>\n" );
document.write( "If one student is selected at random, what is the probability that<BR>\n" );
document.write( "a. the student obtained a B?<BR>\n" );
document.write( " b. the student obtained either a B or a C?<BR>\n" );
document.write( " c. the student did not obtain a D?<BR>\n" );
document.write( " d. the student did not obtain either a B or a C?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #732182 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=732182\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a) Probability selected student obtained a B = 25/50 = 1/2<BR>\n" );
document.write( ":<BR>\n" );
document.write( "b) Probability selected student obtained a B or a C = 25/50 + 15/50 = 40/50 = 4/5<BR>\n" );
document.write( ":<BR>\n" );
document.write( "c) Probability selected student did not obtain a D = 1 - 5/50 = 45/50 = 9/10<BR>\n" );
document.write( ":<BR>\n" );
document.write( "d) Probability selected student did not obtain a B or a C = 1 - 4/5 = 1/5<BR>\n" );
document.write( ":<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );