document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=246183>Question 246183</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A study found that the mean waiting time to see a physician at an outpatient clinic was 40 minutes<BR>\n" );
document.write( "with a standard deviation of 28 minutes. Use Excel to find each probability. (a) What is the probability of more than an hour’s wait? (b) Less than 20 minutes? (c) At least 10 minutes.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #179823 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=179823\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A study found that the mean waiting time to see a physician at an outpatient clinic was 40 minutes<BR>\n" );
document.write( "with a standard deviation of 28 minutes. Use Excel to find each probability. (a) What is the probability of more than an hour’s wait?<BR>\n" );
document.write( "P(x > 60 min) = 1 - P(0<= x <= 60) = 0.3141<BR>\n" );
document.write( "-------------------------------------------------   <BR>\n" );
document.write( "(b) Less than 20 minutes?<BR>\n" );
document.write( "P(0 <= x <= 20) = 0.1610<BR>\n" );
document.write( "------------------------------------------------- <BR>\n" );
document.write( "(c) At least 10 minutes.<BR>\n" );
document.write( "P(x >= 10) = 1- P(0<= x < 10) = 0.9346<BR>\n" );
document.write( "=================================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );