Determine the minimum weight

required for assay sampling using GY

formula given that :

The weight of the entire lot is

$5kg$

The sample is circular, and its

fully liberated

The compositional factor of $0\mathrm{.}75$ with a $0\mathrm{.}05$ sampling error

$1\mathrm{.}2$ A copper$-$zinc ore was fed to an integrated mineral processing s: rate of $250\frac{t}{h}.$ The final products were a copper concentrate and a $z$ concentrate and tailing. Analysis of each stream were:

$\backslash$table$[[$Stream$,$Assay$],[\%Cu,\%Zn$