document.write( "Question 1059758: Find the minimum sample size n needed to estimate μ for the given values of c, σ, and E.
\n" ); document.write( "c=0.90, σ=8.8, and E=2
\n" ); document.write( "Assume that a preliminary sample has at least 30 members. \n" ); document.write( "

Algebra.Com's Answer #674821 by Fombitz(32388) $\"\"$ $\"About$

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$\"alpha=0.1\"$
\n" ); document.write( "So $\"z%5Bc%5D=1.645\"$
\n" ); document.write( " $\"n=%28%28z%5Bc%5D%2Asigma%29%2FE%29%5E2\"$
\n" ); document.write( " $\"n=%28%281.645%2A8.8%29%2F2%29%5E2\"$
\n" ); document.write( " $\"n=52.39\"$
\n" ); document.write( "or rounding up,
\n" ); document.write( " $\"n=53\"$
\n" ); document.write( " \n" ); document.write( "

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