document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=921515>Question 921515</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have the hardest problem getting the last step of this problem. I get .4675 but it keeps saying that is wrong. Any help, please?\r<BR>\n" );
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document.write( "If A and B are independent events, P(A) = 0.45, and P(B) = 0.15, find the probabilities below. (Enter your answers to four decimal places.)<BR>\n" );
document.write( "(a)    P(A &#8745; B)<BR>\n" );
document.write( "  <BR>\n" );
document.write( ".675<BR>\n" );
document.write( " \r<BR>\n" );
document.write( "\n" );
document.write( "(b)    P(A &#8746; B)<BR>\n" );
document.write( "  <BR>\n" );
document.write( ".5325<BR>\n" );
document.write( " \r<BR>\n" );
document.write( "\n" );
document.write( "(c)    P(A | B)<BR>\n" );
document.write( "  <BR>\n" );
document.write( ".4500<BR>\n" );
document.write( " \r<BR>\n" );
document.write( "\n" );
document.write( "(d)    P(Ac &#8746; Bc)<BR>\n" );
document.write( "  <BR>\n" );
document.write( "Incorrect: Your answer is incorrect. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #559024 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=559024\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I have the hardest problem getting the last step of this problem. I get .4675 but it keeps saying that is wrong. Any help, please?<BR>\n" );
document.write( " If A and B are independent events, P(A) = 0.45, and P(B) = 0.15, find the probabilities below. (Enter your answers to four decimal places.)<BR>\n" );
document.write( " (a) P(A &#8745; B) = P(A)*P(B) = 0.45*0.15 = 0.0675<BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( " (b) P(A &#8746; B) = P(A)+P(B)-P(A and B) = 0.45+0.15-0.0675 = 0.5325<BR>\n" );
document.write( "--------------------<BR>\n" );
document.write( " (c) P(A | B) = P(A and B)/P(B) = 0.0675/0.15 = 0.45<BR>\n" );
document.write( "===============================<BR>\n" );
document.write( " (d) P(Ac &#8746; Bc)<BR>\n" );
document.write( "P(Ac) = 0.55 ; P(Bc) = 0.85<BR>\n" );
document.write( "--<BR>\n" );
document.write( "P(Ac U Bc) = P(Ac)+P(Bc) - P(Ac and Bc) = 0.55 + 0.85 - [1-P(Ac OR Bc)]<BR>\n" );
document.write( "---<BR>\n" );
document.write( "= 1.4 -1 - 2P(Ac OR Bc)<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "2P(Ac OR Bc) = 0.4<BR>\n" );
document.write( "P(Ac OR Bc) = 0.2<BR>\n" );
document.write( "------------------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );