document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1056069>Question 1056069</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 31	A continuous random variable X has the following probability density function:<BR>\n" );
document.write( "f(x) = 1/4, 0 &#8804; x &#8804; 4	<BR>\n" );
document.write( "Find the following probabilities:	<BR>\n" );
document.write( "	<BR>\n" );
document.write( "a.	P(X &#8804; 1)<BR>\n" );
document.write( "b.	P(X &#8804; 2)<BR>\n" );
document.write( "c.	P(1 &#8804;X &#8804; 2)<BR>\n" );
document.write( "d.	P(X = 3)<BR>\n" );
document.write( "I am totally lost. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #671244 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=671244\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A continuous random variable X has the following probability density function:<BR>\n" );
document.write( "f(x) = 1/4, 0 &#8804; x &#8804; 4'	<BR>\n" );
document.write( "Find the following probabilities:<BR>\n" );
document.write( "Sketch the density function as a rectangle with base = 4 and height = (1/4)	\r<BR>\n" );
document.write( "\n" );
document.write( "a.	P(X &#8804; 1) = 1*(1/4) = 1/4<BR>\n" );
document.write( "-------------------------------------------<BR>\n" );
document.write( "b.	P(X &#8804; 2) = 2*(1/4) = 1/2<BR>\n" );
document.write( "-------------------------------------------<BR>\n" );
document.write( "c.	P(1 &#8804;X &#8804; 2) = (2-1)*(1/4) = 1*(1/4) = 1/4<BR>\n" );
document.write( "-------------------------------------------<BR>\n" );
document.write( "d.	P(X = 3) = 3(1/4) = 3/4<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" );