document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=495768>Question 495768</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A producer of a juice drink advertises that it contains 10% real fruit juices. A sample of 75 bottles of the drink is analyzed and the percent of real fruit juices is found to be 6.9%. If the true proportion is actually 0.10, what is the probability that the sample percent will be 6.9% or less? \r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #336192 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=336192\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A producer of a juice drink advertises that it contains 10% real fruit juices. A sample of 75 bottles of the drink is analyzed and the percent of real fruit juices is found to be 6.9%. If the true proportion is actually 0.10, what is the probability that the sample percent will be 6.9% or less? <BR>\n" );
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document.write( "z(0.069) = (0.069-0.10)/sqrt[0.1*0.9/75] = -0.8949<BR>\n" );
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document.write( "P(p-hat < 0.069) = P(z < -0.8949) = 0.1854<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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