document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=369381>Question 369381</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If three digits are randomly selected, find the probability of getting at least one 7. Digits can be used more than once. \r<BR>\n" );
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document.write( "I tried doing the probability of not getting a 7 in each area:<BR>\n" );
document.write( "P(not 7)= (.9)*(.9)*(.9)=.729<BR>\n" );
document.write( "P(at least one 7)= 1-.729= .271\r<BR>\n" );
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document.write( "Is that right? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #263193 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=263193\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Assuming it's 10 digits, 0 to 9:<BR>\n" );
document.write( "1/10 + 1/10 + 1/10 = 3/10<BR>\n" );
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