document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=872074>Question 872074</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A survey indicates 40% of households in the USA own CD players from a random sample of 250 households in the USA find the probability that the number of households who own CD players is:\r<BR>\n" );
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document.write( "a) exactly 95\r<BR>\n" );
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document.write( "b) between 105 and 110\r<BR>\n" );
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document.write( "c) at most 85\r<BR>\n" );
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document.write( "d) at least 95 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #525886 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=525886\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> p = .40,  n = 250<BR>\n" );
document.write( "P(x = 95) = binompdf(250, .40, 95) = .0421  0r 4.21%<BR>\n" );
document.write( "P(105 &#8804; x &#8804; 110) = binomcdf(250, .40, 110)- binomcdf(250, .40, 104) = .9119 - .7203 = .1916  0r 19.16%<BR>\n" );
document.write( "P(x  &#8804; &#8804;  85) = binomcdf(250, .40, 85) = .0297  0r 2.97%<BR>\n" );
document.write( "P(x &#8805; 95) = 1 - (1-binomcdf(250, .40, 94) = .7605  0r 76.05% </SPAN>\n" );
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