document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=765580>Question 765580</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me with this problem:\r<BR>\n" );
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document.write( "20% of the students on campus are from California A random sample of 10 students is selected. \r<BR>\n" );
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document.write( "A.)what is the expected # of California students in the sample?\r<BR>\n" );
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document.write( "B.) what is the probability of finding in our sample at least 6 but less than 9 such students?\r<BR>\n" );
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document.write( "C) what is the probability of finding exactly 3 such students( show me the set up formula)<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 #466261 by </B><A HREF=/tutors/aboutme.mpl?userid=reviewermath><B>reviewermath(1029)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=reviewermath><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=reviewermath><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=466261\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 20% of the students on campus are from California. A random sample of 10 students is selected.<BR>\n" );
document.write( "A.)what is the expected # of California students in the sample?<BR>\n" );
document.write( "Expected Value = np = 10(0.2) = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%282%29 ALIGN=MIDDLE  ALT=\"highlight%282%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "B.) what is the probability of finding in our sample at least 6 but less than 9 such students?<BR>\n" );
document.write( "P(6 &#8804; X < 9) = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sum%28%28matrix%282%2C1%2C10%2Cx%29%29%280.2%5Ex%29%280.8%5E%2810-x%29%29%2Cx=6%2C8%29 ALIGN=MIDDLE  ALT=\"sum%28%28matrix%282%2C1%2C10%2Cx%29%29%280.2%5Ex%29%280.8%5E%2810-x%29%29%2Cx=6%2C8%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%280.006365%29 ALIGN=MIDDLE  ALT=\"highlight%280.006365%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "C) what is the probability of finding exactly 3 such students( show me the set up formula)<BR>\n" );
document.write( "P(X = 3) = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28matrix%282%2C1%2C10%2C3%29%29%280.2%5E3%29%280.8%5E7%29 ALIGN=MIDDLE  ALT=\"%28matrix%282%2C1%2C10%2C3%29%29%280.2%5E3%29%280.8%5E7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%280.2013%29 ALIGN=MIDDLE  ALT=\"highlight%280.2013%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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