document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=457880>Question 457880</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you please help me solve this problem. Thank you!\r<BR>\n" );
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document.write( "Approximately 73% of all marketing personnel are extroverts, whereas about 69% of all computer programmers are introverts.<BR>\n" );
document.write( "(a) At a meeting of 15 marketing personnel, what is the probability that 10 or more are extroverts? (Use 3 decimal places.)\r<BR>\n" );
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document.write( "What is the probability that 5 or more are extroverts? (Use 3 decimal places.)\r<BR>\n" );
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document.write( "What is the probability that all extroverts? (Use 3 decimal places.)\r<BR>\n" );
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document.write( "(b) In a group of 5 computer programmers, what is the probability that none are introverts? (Use 3 decimal places.)\r<BR>\n" );
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document.write( "What is the probability that 3 or more are introverts? (Use 3 decimal places.)\r<BR>\n" );
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document.write( "What is the probability that all are introverts? (Use 3 decimal places.) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #314079 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=314079\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Approximately 73% of all marketing personnel are extroverts, <BR>\n" );
document.write( "about 69% of all computer programmers are introverts.<BR>\n" );
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document.write( "(a) At a meeting of 15 marketing personnel, what is the probability that 10 or more are extroverts? (Use 3 decimal places.)<BR>\n" );
document.write( "Ans: 1- binomcdf(15,0.73,9) = 0.804<BR>\n" );
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document.write( "What is the probability that 5 or more are extroverts? (Use 3 decimal places.)<BR>\n" );
document.write( "Ans: 1- binomcdf(15,0.73,4) = 0.999<BR>\n" );
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document.write( "What is the probability that all extroverts? (Use 3 decimal places.)<BR>\n" );
document.write( "Ans: (0.73)^15 = 0.009<BR>\n" );
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document.write( "(b) In a group of 5 computer programmers, what is the probability that none are introverts? (Use 3 decimal places.)<BR>\n" );
document.write( "Ans: 0.31^3 = 0.030<BR>\n" );
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document.write( "What is the probability that 3 or more are introverts? (Use 3 decimal places.)<BR>\n" );
document.write( "Ans: 1- binomcdf(5,0.69,2) = 0.823<BR>\n" );
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document.write( "What is the probability that all are introverts? (Use 3 decimal places.)<BR>\n" );
document.write( "Ans: 0.69^5 = 0.156<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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