document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=453426>Question 453426</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The time it takes to give a man a shampoo and haircut is normally distributed with mean 22 minutes and standard deviation 3 minutes. Customers are scheduled every 30 minutes.\r<BR>\n" );
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document.write( "(a)   	\r<BR>\n" );
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document.write( "What is the probability that a male customer will take longer than the allotted time? (Round your answer to 4 decimal places.)<BR>\n" );
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document.write( "  Probability 	 \r<BR>\n" );
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document.write( "(b)    	\r<BR>\n" );
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document.write( "If three male customers are scheduled sequentially on the half-hour, what is the probability that all three will be finished within their allotted half-hour times? (Round your answer to 4 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 #311559 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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/cgi-bin/show-face.mpl?user=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=311559\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a) <BR>\n" );
document.write( "z=(30-22)/3=2.6667<BR>\n" );
document.write( ".0038 probability that a male customer will take longer than the allotted time<BR>\n" );
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document.write( "b)<BR>\n" );
document.write( "1-.0038=.9962<BR>\n" );
document.write( ".9962^3=.9886 the probability that all three will be finished within their allotted half-hour times.<BR>\n" );
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document.write( "Ed </SPAN>\n" );
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