A Professor at a Local University Noted That the Exam

question 46

Multiple Choice

A professor at a local university noted that the exam grades of her students were normally distributed with a mean of 73 and a standard deviation of 11. If 69.5 percent of the students received grades of C or better, what is the minimum score of those who received C's?

• A) 70.39
• B) 67.39
• C) 50.39
• D) 65.39

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Definitions:

Safety Inventory

Additional stock that a company holds to prevent stockouts and ensure product availability, acting as a buffer against demand fluctuations.

Holding Cost

The expenses associated with keeping inventory in storage, including warehousing costs, insurance, depreciation, and potential obsolescence.

Standard Deviation

Standard deviation measures the amount of variation or dispersion of a set of values, indicating how much they deviate from the average.

Safety Inventories

Stocks of products or materials kept on hand to protect against uncertainties in supply or demand.