document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1118356>Question 1118356</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The average salary of merchandisers is $57,000 per year with a standard deviation of $7000.\r<BR>\n" );
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document.write( "a.	 What is the probability that a merchandiser earns more than $72,000 per year? (Round z-score computation to 2 decimal places and the final answer to 4 decimal places.)<BR>\n" );
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document.write( "(my answer: 0.0162)<BR>\n" );
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document.write( "b.	 What is the probability that a merchandiser earns less than $43,000 per year? (Round z-score computation to 2 decimal places and the final answer to 4 decimal places.)<BR>\n" );
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document.write( "(my answer: 0.02280\r<BR>\n" );
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document.write( "c.	 What is the probability that a merchandiser earns between $52,000 and $62,000 per year? (Round z-score computation to 2 decimal places and the final answer to 4 decimal places.)<BR>\n" );
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document.write( "(my answer: 0.5222)<BR>\n" );
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document.write( "d.	 What is the probability that a merchandiser will earn between $46,000 and $68,000 per year? (Round z-score computation to 2 decimal places and the final answer to 4 decimal places.)<BR>\n" );
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document.write( "(My answer: 0.8836)<BR>\n" );
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document.write( "e.	 What is the average salary below which 17% of the merchandisers earn? (Round the final answer to the nearest whole number.)<BR>\n" );
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document.write( "f.	 What is the average salary above which the top 10% of the merchandisers earn? (Round the final answer to the nearest whole number.)<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #733745 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=733745\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The average salary of merchandisers is $57,000 per year with a standard deviation of $7000. <BR>\n" );
document.write( "e.	What is the average salary below which 17% of the merchandisers earn? (Round the final answer to the nearest whole number.)<BR>\n" );
document.write( "Find the z-value with a left tail of 0.17<BR>\n" );
document.write( "invNorm(0.17) = -0.9542<BR>\n" );
document.write( "Find the corresponding salary value.<BR>\n" );
document.write( "x = z*s+u = -0.9542*7000+57000 = $50320.84<BR>\n" );
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document.write( "f.	What is the average salary above which the top 10% of the merchandisers earn? (Round the final answer to the nearest whole number.)<BR>\n" );
document.write( "Find the z-value with a right tail of 0.10<BR>\n" );
document.write( "invNorm(0.90) = 1.2816<BR>\n" );
document.write( "Ans: x = 1.2816*7000+57000 = $65970.86<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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