document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=214850>Question 214850</A>: <I><SPAN STYLE=\"word-break: break-all;\"> There is a .45 probability that John will purchase a new car, a .35 probability that Mary will purchase a new car, and a .20 probability they both will purchase a new car.  What is the probability that:\r<BR>\n" );
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document.write( "a. Mary or John will purchase a new car\r<BR>\n" );
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document.write( "b. Neither Mary or John will purchase a new car </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #162348 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=162348\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There is a .45 probability that John will purchase a new car, a .35 probability that Mary will purchase a new car, and a .20 probability they both will purchase a new car.  What is the probability that:\r<BR>\n" );
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document.write( "a. Mary or John will purchase a new car<BR>\n" );
document.write( "P(M or J) = P(M) + P(J) - P(M and J)<BR>\n" );
document.write( "P(M or J) = 0.35 + 0.45 - 0.20 = 0.60<BR>\n" );
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document.write( "b. Neither Mary or John will purchase a new car<BR>\n" );
document.write( "P(neither) = 1 - P(M or J) = 1-0.60 = 0.40<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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