Answer:
The answer is "The result of the standard deviation of request and a 'z' rating over a certain possibility of operation".
Explanation:
When we have determined 10 units per day for standard deviation with supply, while the period to ordering in 5 days. Its standard 5-day duration is or the equation 17.8, which is multiplied by the z-score, which is the equation 17.9 has as long as per day is selected based, that's why the result of normal volatility of request as well as a 'z' score over a certain possibility of service is correct.
