document.write( "Question 624271: By measuring the amount of time it takes a component of a product to move from one workstation to the next, an engineer has estimated that the standard deviation is 3.09 seconds.
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\n" ); document.write( "(A) How many measurements should be made in order to be 95% certain that the maximum error of estimation will not exceed 1.5 seconds?
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\n" ); document.write( "(B) What sample size is required for a maximum error of 0.5 seconds?
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Algebra.Com's Answer #392619 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
 
\n" ); document.write( "Hi,
\n" ); document.write( " SD = 3.09
\n" ); document.write( " (A) How many measurements should be made in order to be 95% certain that the maximum error of estimation will not exceed 1.5 seconds?
\n" ); document.write( " ME = \"1.96%2A%283.09%2Fsqrt%28n%29%29+=+1.5\" solve for n
\n" ); document.write( "(B) What sample size is required for a maximum error of 0.5 seconds?
\n" ); document.write( " ME = \"1.96%2A%283.09%2Fsqrt%28n%29%29+=+.5\" solve for n \n" ); document.write( "
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