document.write( "Question 1056841: You are in charge of the marketing research for a new product. What is the minimum sample size you will need to estimate the population proportion within 5%? Use a 99% confidence level. Choose the correct value from below:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "a. 666 (stay away from this one...)\r
\n" ); document.write( "\n" ); document.write( "b. 665\r
\n" ); document.write( "\n" ); document.write( "c. 664\r
\n" ); document.write( "\n" ); document.write( "d. 663
\n" ); document.write( "

Algebra.Com's Answer #671959 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
You are in charge of the marketing research for a new product. What is the minimum sample size you will need to estimate the population proportion within 5%? Use a 99% confidence level. Choose the correct value from below:
\n" ); document.write( "-------------------
\n" ); document.write( "n = (z/E)^2*p*q
\n" ); document.write( "-----
\n" ); document.write( "n = (2.5758/0.05)^2*(1/2)(1/2)
\n" ); document.write( "----
\n" ); document.write( "n = 664 (when rounded up)
\n" ); document.write( "--------------
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "------------- \r
\n" ); document.write( "\n" ); document.write( "a. 666 (stay away from this one...)
\n" ); document.write( "b. 665
\n" ); document.write( "c. 664
\n" ); document.write( "d. 663
\n" ); document.write( "
\n" );