Provide an appropriate response.
-$$\text { Under what circumstances can you replace } \sigma \text { with } s \text { in the formula } E = z \alpha / 2 \cdot \frac { \sigma } { \sqrt { n } } \text {. }$$

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The Answer of Provide an appropriate response.
-$$\text { Under what circumstances can you replace } \sigma \text { with } s \text { in the formula } E = z \alpha / 2 \cdot \frac { \sigma } { \sqrt { n } } \text {. }$$

Provide an Appropriate Response