document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=821673>Question 821673</A>: <I><SPAN STYLE=\"word-break: break-all;\"> an office worker claims that at most 30% of his phone calls make sale. If he makes 190 calls in night, what is the probability that he will make more than 50 sales? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #494319 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=494319\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> an office worker claims that at most 30% of his phone calls make sale. If he makes 190 calls in night, what is the probability that he will make more than 50 sales?<BR>\n" );
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document.write( "Binomial Problem with n = 190 and p(sale) = 0.30<BR>\n" );
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document.write( "P(50<= x <=90) = 1 - P(0<= x <=49) = 1 - binomcdf(90,0.3,49) = 0.000000408...<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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