document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1165739>Question 1165739</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Let y = number of languages in which a person is fluent. According to Statistics Canada, for residents of<BR>\n" );
document.write( "Canada y has probability distribution P(0) = 0.02, P(1) =0.81, and P(2) = 0.17, with negligible probability for<BR>\n" );
document.write( "higher values of y.<BR>\n" );
document.write( "(a) Is y a discrete, or a continuous, variable? Why?<BR>\n" );
document.write( "(b) Construct a table showing the probability distribution of y.<BR>\n" );
document.write( "(c) Find the probability that a Canadian is not multilingual.<BR>\n" );
document.write( "(d) Find the mean of this probability distribution.<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 #790231 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=790231\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y is discrete. Here, the number of languages in which one is fluent has to be an integer.\r<BR>\n" );
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document.write( "probability a Canadian is not multilingual is 0.83%, 1- probability of P(2)\r<BR>\n" );
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document.write( "the mean is x*p(x)<BR>\n" );
document.write( "0*0.02+1*0.81+2(0.17)=1.15 languages (mean) </SPAN>\n" );
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