document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1188062>Question 1188062</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Q8: A discrete random variable x has the following probability distribution:                                     [3 Marks]     <BR>\n" );
document.write( "x	P(x)<BR>\n" );
document.write( "2	0.05<BR>\n" );
document.write( "3	0.30<BR>\n" );
document.write( "4	0.20<BR>\n" );
document.write( "5	?<BR>\n" );
document.write( "6	0.3<BR>\n" );
document.write( "7	0.03<BR>\n" );
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document.write( "	Find P(x=5)\r<BR>\n" );
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document.write( "	Find Mean of probability distribution.\r<BR>\n" );
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document.write( "	Calculate the variance, and standard deviation of probability distribution.\r<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 #819113 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52781)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=819113\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
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document.write( "1)  &nbsp;&nbsp;To find this questionable number, &nbsp;subtract the sum of all other given values of &nbsp;P(x) &nbsp;from &nbsp;1.\r<BR>\n" );
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document.write( "3)  &nbsp;&nbsp;to calculate the variance and standard deviation of probability distribution, &nbsp;go to this web-site\r<BR>\n" );
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document.write( "https://www.calculator.net/standard-deviation-calculator.html\r<BR>\n" );
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document.write( "Find an online calculator there, along with the nice \r<BR>\n" );
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document.write( "professional and educational descriptions of this notion and the formula.\r<BR>\n" );
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document.write( "Use it and get the answer on your own.\r<BR>\n" );
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