document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=996845>Question 996845</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Assume that x is a binomial experiment with n = 15 and p = 0.3.<BR>\n" );
document.write( "Compute P(x = 2). Show your work. <BR>\n" );
document.write( "Use Excel to get the printout of the probability distribution. Use “=binom.dist” function. See page 66 of the course packet and pages 155-156 of your textbook. <BR>\n" );
document.write( "Use the binomial probability distribution from part c to calculate P(x &#8805; 8).<BR>\n" );
document.write( "Use the short-cut formula to compute E(x), and the variance and the standard deviation of x. <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 #615136 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=615136\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Compute P(x = 2). Show your work. \r<BR>\n" );
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document.write( "The basic template of the BINOMDIST function in excel is\r<BR>\n" );
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document.write( "BINOMDIST( <font color=\"red\">Number_s</font> , <font color=\"blue\">Trials</font>, <font color=\"green\">Probability_s</font>, <font color=\"purple\">Cumulative</font> )\r<BR>\n" );
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document.write( "where<BR>\n" );
document.write( "<font color=\"red\">Number_s</font> = number of successes<BR>\n" );
document.write( "<font color=\"blue\">Trials</font> = number of trials<BR>\n" );
document.write( "<font color=\"green\">Probability_s</font> = probability of success for single trial<BR>\n" );
document.write( "<font color=\"purple\">Cumulative</font> = boolean value (true or false) answering the question \"is this cumulative?\"\r<BR>\n" );
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document.write( "In this case,<BR>\n" );
document.write( "<font color=\"red\">Number_s</font> = 2 (since x = 2)<BR>\n" );
document.write( "<font color=\"blue\">Trials</font> = 15 (n = 15)<BR>\n" );
document.write( "<font color=\"green\">Probability_s</font> = 0.3 (because p = 0.3)<BR>\n" );
document.write( "<font color=\"purple\">Cumulative</font> = 0 (zero for false, we're not going to use cumuative here)\r<BR>\n" );
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document.write( "So to compute P(x = 2), you'll type in <BR>\n" );
document.write( "=BINOMDIST(2,15,0.3,0)<BR>\n" );
document.write( "Don't forget the equal sign in front.\r<BR>\n" );
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