document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=746618>Question 746618</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help asap with this questions, i cant seem to figure it out. \r<BR>\n" );
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document.write( "Given that x is a normal variable with mean &#956; = 42 and standard deviation &#963; = 7.1, find the following probabilities. (Round your answers to four decimal places.)<BR>\n" );
document.write( "(a)  P(x &#8804; 60)\r<BR>\n" );
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document.write( "(b)  P(x &#8805; 50)\r<BR>\n" );
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document.write( "(c)  P(50 &#8804; x &#8804; 60) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #454402 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=454402\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given that x is a normal variable with mean &#956; = 42 and standard deviation &#963; = 7.1, find the following probabilities. (Round your answers to four decimal places.)<BR>\n" );
document.write( "(a) P(x &#8804; 60)<BR>\n" );
document.write( "z(60) = (60-42)/7.1 = 2.5352<BR>\n" );
document.write( "P(x <= 60) = P(z <= 2.5352) = 0.9944<BR>\n" );
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document.write( "Do the same with \"b\" and with \"c\":\r<BR>\n" );
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document.write( "(b) P(x &#8805; 50)<BR>\n" );
document.write( "Find the z-value of 50.<BR>\n" );
document.write( "Then find the probability z is greater or equal to that z-value.<BR>\n" );
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document.write( "(c) P(50 &#8804; x &#8804; 60)<BR>\n" );
document.write( "Find the z-values<BR>\n" );
document.write( "Find the probability z is less than z(60)- probability z is less that z(50).<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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