document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=333209>Question 333209</A>: <I><SPAN STYLE=\"word-break: break-all;\"> You have a Normal Distribution with mean = 70 and standard deviation = 4.  If you make one selection from this population, what is the probability that you get:<BR>\n" );
document.write( "a.	a measurement of 72?<BR>\n" );
document.write( "b.	a measurement between 71.5 and 72.5?\r<BR>\n" );
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document.write( "Thanks for the help! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #238749 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=238749\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You have a Normal Distribution with mean = 70 and standard deviation = 4. If you make one selection from this population, what is the probability that you get:<BR>\n" );
document.write( "a. a measurement of 72?<BR>\n" );
document.write( "P(x=72) = 0<BR>\n" );
document.write( "Note: In a continuous distribution the probability<BR>\n" );
document.write( "of any single value is zero.<BR>\n" );
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document.write( "b. a measurement between 71.5 and 72.5?<BR>\n" );
document.write( "z(71.5) = (71.5-70)/4 = 1.5/4 = 0.3750<BR>\n" );
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document.write( "z(72.5) = (72.5-70)/4 = 2.5/4 = 0.6250<BR>\n" );
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document.write( "P(71.5 <= x <=72.5) = P(0.3750<= z <= 0.6250) = 0.0878<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( " </SPAN>\n" );
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