document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=364117>Question 364117</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help with this question\"<BR>\n" );
document.write( "	Express the event “worked out at least once” in terms of X. What is the probability of this event?\r<BR>\n" );
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document.write( "Here is the data:<BR>\n" );
document.write( "x represents the number of days people worked out for the week<BR>\n" );
document.write( "0.68 for x=0<BR>\n" );
document.write( "0.05 for x=1<BR>\n" );
document.write( "0.07 for x=2<BR>\n" );
document.write( "0.08 for x=3<BR>\n" );
document.write( "0.05 for x=4<BR>\n" );
document.write( "0.04 for x=5<BR>\n" );
document.write( "0.01 for x=6<BR>\n" );
document.write( "0.02 for x=7\r<BR>\n" );
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document.write( "I said that there is a 1 in 7 chance that someone worked out one day during the week because the numbers add up to one. Is this correct? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #259696 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=259696\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Express the event “worked out at least once” in terms of X. What is the probability of this event? <BR>\n" );
document.write( "Here is the data:<BR>\n" );
document.write( "x represents the number of days people worked out for the week<BR>\n" );
document.write( "0.68 for x=0<BR>\n" );
document.write( "0.05 for x=1<BR>\n" );
document.write( "0.07 for x=2<BR>\n" );
document.write( "0.08 for x=3<BR>\n" );
document.write( "0.05 for x=4<BR>\n" );
document.write( "0.04 for x=5<BR>\n" );
document.write( "0.01 for x=6<BR>\n" );
document.write( "0.02 for x=7 <BR>\n" );
document.write( "I said that there is a 1 in 7 chance that someone worked out one day during the week because the numbers add up to one. Is this correct?<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "P(worked at least once) = 1 - P(did not work on any of the 7 days) <BR>\n" );
document.write( "= 1 - 0.68 = 0.32<BR>\n" );
document.write( "===========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "==================== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );