document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=757680>Question 757680</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Suppose that the length of a telephone call (in minutes) is uniformly distributed between 0 and 70 minutes.<BR>\n" );
document.write( "Find the probability that the call lasts between 2 and 38 minutes.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #461023 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=461023\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Suppose that the length of a telephone call (in minutes) is uniformly distributed between 0 and 70 minutes.<BR>\n" );
document.write( "Find the probability that the call lasts between 2 and 38 minutes.<BR>\n" );
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document.write( "A uniform distribution has a rectangular shape with area = 1.<BR>\n" );
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document.write( "base width = 70<BR>\n" );
document.write( "So, height = (1/70)<BR>\n" );
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document.write( "Area over the interval 2 to 38 is 36 wide<BR>\n" );
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document.write( "Area above that interval is 36*(1/70) = 0.5143<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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