Demand is estimated to be 800 units.If Z is taken to be 1.5,when the estimated average demand is 400 units,determine σ for these data.
A)71,111
B)-71,111
C)266
D)-266
E)None of the above

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The Answer of Demand is estimated to be 800 units.If Z is taken to be 1.5,when the estimated average demand is 400 units,determine σ for these data.
A)71,111
B)-71,111
C)266
D)-266
E)None of the above

Demand Is Estimated to Be 800 Units