document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1113405>Question 1113405</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a survey report states that 37% of adults visit their doctor regularly. suppose that 10 adults are selected at random. what is the probability that exactly 8 adults visit their doctor regularly in such group?<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #728430 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=728430\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> use the binomial probability formula<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Probability (P) ( k successes in n trials ) = nCk * p^k * (1-p)^(n-k), where nCk = n! / (k! * (n-k)!)<BR>\n" );
document.write( ":<BR>\n" );
document.write( "for this problem n=10, k=8, p=0.37<BR>\n" );
document.write( ":<BR>\n" );
document.write( "P (8 adults visit their doctor regularly out of 10 selected) = 10C8 * (0.37)^8 * (1-0.37)^(10-8) = 0.0063<BR>\n" );
document.write( ":<BR>\n" );
document.write( "  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );