document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=184261>Question 184261</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi this is not from a book, can you please tell me if I am on the right track?:\r<BR>\n" );
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document.write( "An ice cream store manager thinks that the average bill paid by his customers is $10. To test his hypothesis, the next 20 tabs are tallied. All of them are over $10. Therefore, he can conclude immediately that the average bill paid by all of his customers<BR>\n" );
document.write( "		a.	exceeds $10. <BR>\n" );
document.write( "		b.	may be less than, equal to, or greater than $10.<BR>\n" );
document.write( "		c.	is less than $10.<BR>\n" );
document.write( "                d.	equals $10.<BR>\n" );
document.write( "*I was thinking (a.), is this the correct answer?<BR>\n" );
document.write( "If not can you please explain why, and which one would be the best answer?\r<BR>\n" );
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document.write( "Thank you<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 #138271 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=138271\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> An ice cream store manager thinks that the average bill paid by his customers is $10. To test his hypothesis, the next 20 tabs are tallied. All of them are over $10. Therefore, he can conclude immediately that the average bill paid by all of his customers<BR>\n" );
document.write( "a. exceeds $10. <BR>\n" );
document.write( "b. may be less than, equal to, or greater than $10.<BR>\n" );
document.write( "c. is less than $10.<BR>\n" );
document.write( "d. equals $10.<BR>\n" );
document.write( "*I was thinking (a.), is this the correct answer?<BR>\n" );
document.write( "If not can you please explain why, and which one would be the best answer? <BR>\n" );
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document.write( "\"a\" appears to be the reasonable answer but it is not the statistical<BR>\n" );
document.write( "answer. \"b\" is the statistical answer.  The fact that 20 or even 2000<BR>\n" );
document.write( "bills are ore than $10 does not prove anything.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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