document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=285612>Question 285612</A>: <I><SPAN STYLE=\"word-break: break-all;\"> It has been determined that the wait-time for a particular doctor is normally distributed with a mean of 28 minutes and a standard deviation of 2 minutes. What is the probability that you will wait between 26 and 32 minutes? Please round the answer to four decimal places. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #207023 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=207023\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> It has been determined that the wait-time for a particular doctor is normally distributed with a mean of 28 minutes and a standard deviation of 2 minutes. What is the probability that you will wait between 26 and 32 minutes? Please round the answer to four decimal places.<BR>\n" );
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document.write( "Find the z-score of 26 and of 32 minutes:<BR>\n" );
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document.write( "z(26) = (26-28)/2 = -1<BR>\n" );
document.write( "z(32) = (32-28)/ = 2<BR>\n" );
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document.write( "P(26< x < 32) = P(-1 < z < 2) = 0.8186<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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