document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=925371>Question 925371</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An electronics firm believes that 70% of the new products they market will be successful. if the company markets 80 products in the next 5 years, find the probability that in that time:<BR>\n" );
document.write( "A) at least 60 products will be successful<BR>\n" );
document.write( "B) at most 50 products will be successful.<BR>\n" );
document.write( "C) between 55 and 59 products, inclusive, will be successful. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #561477 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=561477\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> p(successful) = .70, n = 80<BR>\n" );
document.write( "Re TY, You need a Calculator for cumulative Probabilities,,,YOurs or on-line<BR>\n" );
document.write( "Can Recommend stattrek.com  as an excellent reference<BR>\n" );
document.write( "......<BR>\n" );
document.write( "Using a TI calculator 0r similarly a Casio fx-115 ES plus<BR>\n" );
document.write( "......<BR>\n" );
document.write( "P(x &#8805; 60) = 1 - binomcdf(80, .70, 59) = 1 - .8022<BR>\n" );
document.write( "P(x &#8804; 50) = binomcdf(80, .70, 50) = .0916<BR>\n" );
document.write( "P( 55 &#8804; x &#8804; 59) = binomcdf(80, .70 59) - binomcdf(80, .70 54) = .8022-.3521 </SPAN>\n" );
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