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If mean daily demand is 20 units,lead time is 7 days,the standard deviation of demand during lead time is 12.0 units,and management has a preferred service level of 99.9% (z = 3) ,the reorder (R) level for the item would be
Standard Normal Distribution
A specific type of normal distribution with a mean of 0 and a standard deviation of 1, used in many areas of statistical analysis.
Mean
The arithmetic average of a set of values, calculated by adding them together and dividing by the number of terms.
Normal Distribution
It's a probability distribution with symmetry about the mean, proving that data points near the mean have a higher frequency of occurrence compared to those further away.
Mean
The arithmetic average of a set of numbers, obtained by dividing the sum of the numbers by the count of numbers.
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