Express the Sum Using Summation Notation $$4 + \frac { 9 } { 2 } + 5 + \frac { 11 } { 2 } + \ldots + 9$$

question 150

Multiple Choice

Express the sum using summation notation. Use a lower limit of summation not necessarily 1 and k for the index of summation.
- $$4 + \frac { 9 } { 2 } + 5 + \frac { 11 } { 2 } + \ldots + 9$$

• A) \(\sum _ { \mathrm { k } = 8 } ^ { 18 } \frac { \mathrm { k } } { 2 }\)
• B) \(\sum _ { \mathrm { k } = 1 } ^ { 18 } \frac { \mathrm { k } } { 2 }\)
• C) \(\sum _ { \mathrm { k } = 8 } ^ { 12 } \frac { \mathrm { k } } { 2 }\)
• D) \(\sum _ { \mathrm { k } = 2 } ^ { 18 } \frac { \mathrm { k } } { 2 }\)

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Definitions:

Fill Rate

A performance metric that measures the percentage of customer demand that is met without backorders or stockouts.

Replenishment Cycle

The process or time it takes to replenish inventory in a supply chain, from ordering to receiving goods.

Expected Shortage

The anticipated deficiency in quantity or supply of a product or resource relative to the expected demand for that product or resource.

Safety Inventory

Additional stock kept to mitigate the risk of stockouts and production halts due to fluctuations in demand and supply chain disruptions.