document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=469323>Question 469323</A>: <I><SPAN STYLE=\"word-break: break-all;\"> USA Today reports that about 25% of all prison parolees become repeat offenders. Alice is a social worker whose job is to counsel people on parole. Let us say success means a person does not become a repeat offender. Alice has been given a group of four parolees. <BR>\n" );
document.write( "(a) Find the probability P(r) of r successes ranging from 0 to 4. (Round your answers to three decimal places.) P(0)  = 1  <BR>\n" );
document.write( "P(1)  =   <BR>\n" );
document.write( "P(2)  =    <BR>\n" );
document.write( "P(3)  =    <BR>\n" );
document.write( "P(4)  =    <BR>\n" );
document.write( " (b) Make a histogram for the probability distribution of part (a).  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #322000 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=322000\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> p=.25, q=.75<BR>\n" );
document.write( "(p+q)^4=p^4+4p^3q+6p^2q^2+4pq^3+q^4<BR>\n" );
document.write( "You can do the math.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );