document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=193909>Question 193909</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0618333592/algebrahomeworkh>understanding basic statistics</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Sam is a representative who sells large appliances such as refrigerators, stoves, and so forth.Let x= number of appliances sam sells on a given day.Let F =frequency  (number of days) with which he sells X appliances for a random sample of 240 days, Sam had the following sales record.<BR>\n" );
document.write( "x|0|1|2|3|4|5|6|7<BR>\n" );
document.write( "f|9|72|63|41|28|14|8|5\r<BR>\n" );
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document.write( "assume the sales record is representative of the population of all sales day.\r<BR>\n" );
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document.write( "A) use the relative frequency to find P(x) for x=0 to 7.<BR>\n" );
document.write( "B)compute the probability that x is between 2 and 5 (including 2 and 5)<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 #145613 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=145613\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Sam had the following sales record.<BR>\n" );
document.write( "x|0|1|2|3|4|5|6|7<BR>\n" );
document.write( "f|9|72|63|41|28|14|8|5 <BR>\n" );
document.write( "assume the sales record is representative of the population of all sales day. <BR>\n" );
document.write( "A) use the relative frequency to find P(x) for x=0 to 7.\r<BR>\n" );
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document.write( "--------------<BR>\n" );
document.write( "1st: Add the frequencies to get a total of 240<BR>\n" );
document.write( "---<BR>\n" );
document.write( "2nd: Divide each frequency by 240 to find the percentage of each frequency.<BR>\n" );
document.write( "e.g. Corresponding to f=9 you have the following: <BR>\n" );
document.write( "9/240 = 0.0375<BR>\n" );
document.write( "72/240 = 0.30<BR>\n" );
document.write( "etc.<BR>\n" );
document.write( "----<BR>\n" );
document.write( "B)compute the probability that x is between 2 and 5 (including 2 and 5)<BR>\n" );
document.write( "Find the percentage corresponding to x = for 2,3,4,5 and add them to get the probability.<BR>\n" );
document.write( "I get: 0.60833333<BR>\n" );
document.write( "==========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );