document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=449012>Question 449012</A>: <I><SPAN STYLE=\"word-break: break-all;\"> For questions 1–3 calculate the mean, range, and standard deviation for each set of data.<BR>\n" );
document.write( "1.   64, 68, 71, 67, 72, 62, 71  <BR>\n" );
document.write( "about 67.9; 10; about 3.5<BR>\n" );
document.write( "about 55.7; 10; about 4.7<BR>\n" );
document.write( "about 67.9; 9; about 2.5<BR>\n" );
document.write( "about 47.6; 10; about 3.5\r<BR>\n" );
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document.write( "2.   5, 8, 12, 15, 17, 12, 14, 7  <BR>\n" );
document.write( "about 12.4; 12; about 2.7<BR>\n" );
document.write( "about 11.3; 16; about 3.9<BR>\n" );
document.write( "about 11.3; 12; about 3.9<BR>\n" );
document.write( "about 12.4; 16; about 3.9\r<BR>\n" );
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document.write( "3.   10, 8, 13, 9, 11, 15, 7  <BR>\n" );
document.write( "about 10.4; 8; about 2.6<BR>\n" );
document.write( "about 11.2; 7; about 3.4<BR>\n" );
document.write( "about 9.8; 8; about 3.0<BR>\n" );
document.write( "about 10.4; 9; about 6.7\r<BR>\n" );
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document.write( "4.   A set of values has a mean of 250 and a standard deviation of 50. What value has a z-score of –2.4?  \r<BR>\n" );
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document.write( "In a poll of 650 randomly selected high school seniors, 475 plan to attend college for at least 2 years.<BR>\n" );
document.write( "5.   Find the sample proportion.  <BR>\n" );
document.write( "about 52%<BR>\n" );
document.write( "about 73%<BR>\n" );
document.write( "about 87%<BR>\n" );
document.write( "about 64%<BR>\n" );
document.write( "6.   Find the margin of error.  \r<BR>\n" );
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document.write( "7.Determine the sample size that produces a margin of error of postive or negative 6%. <BR>\n" );
document.write( "about 322<BR>\n" );
document.write( "about 478<BR>\n" );
document.write( "about 156<BR>\n" );
document.write( "about 278\r<BR>\n" );
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document.write( "8.   In the rainforest you are visiting, there is a 50% chance of rain each day. Find the probability of rain on all of the next 4 days. <BR>\n" );
document.write( " <BR>\n" );
document.write( "Each trial of an experiment has a probability of success p. Find the probability of x successes in n trials.<BR>\n" );
document.write( "9.   p = 0.3, x = 4, n = 6<BR>\n" );
document.write( " (1 point)<BR>\n" );
document.write( "about 4.67%<BR>\n" );
document.write( "about 5.95%<BR>\n" );
document.write( "about 12.2%<BR>\n" );
document.write( "about 2.4%<BR>\n" );
document.write( "10.   p = 0.9, x = 5, n = 7  <BR>\n" );
document.write( "about 10.2%<BR>\n" );
document.write( "about 7.9%<BR>\n" );
document.write( "about 12.4%<BR>\n" );
document.write( "about 6.7%<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #308902 by </B><A HREF=/tutors/aboutme.mpl?userid=TheDoctor><B>TheDoctor(14)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TheDoctor><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=TheDoctor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=308902\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You just copied and pasted your entire test. Or almsot all of your test. Please submit one question at a time.\r<BR>\n" );
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document.write( "The answers for questions 1 - 3 are as follows:\r<BR>\n" );
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document.write( "1. about 67.9; 10; about 3.5\r<BR>\n" );
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document.write( "2. about 11.3; 12; about 3.9\r<BR>\n" );
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document.write( "3. about 10.4; 8; about 2.6<BR>\n" );
document.write( " </SPAN>\n" );
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