document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=715469>Question 715469</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A particular professor never dismisses class early. Let x denote the amount of time past the hour (minutes) that elapses before the professor dismisses class. Suppose that x has a uniform distribution on the interval from 0 to 10 min. The density curve is shown in the following figure.<BR>\n" );
document.write( "(a) What is the probability that at most 7 min elapse before dismissal?<BR>\n" );
document.write( "Correct: 0.7 Your answer is correct.\r<BR>\n" );
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document.write( "(b) What is the probability that between 3 and 4 min elapse before dismissal?<BR>\n" );
document.write( "Incorrect: \r<BR>\n" );
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document.write( "I got the first part right, i just dont understand how to do the second part.<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 #439441 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=439441\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A particular professor never dismisses class early. Let x denote the amount of time past the hour (minutes) that elapses before the professor dismisses class. Suppose that x has a uniform distribution on the interval from 0 to 10 min. The density curve is shown in the following figure.<BR>\n" );
document.write( "(a) What is the probability that at most 7 min elapse before dismissal?<BR>\n" );
document.write( "base = 7 ; height = 1/10 <BR>\n" );
document.write( "P(0<= x <=7) = 7*(1/10) = 0.7<BR>\n" );
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document.write( "Correct: 0.7 Your answer is correct. <BR>\n" );
document.write( "(b) What is the probability that between 3 and 4 min elapse before dismissal?<BR>\n" );
document.write( "base = 2 ; height = 1/10<BR>\n" );
document.write( "P(3<= x <=4) = 2*1/10 = 0.2<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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