The Average Score of 100 Students Taking a Statistics Final

question 13

Multiple Choice

The average score of 100 students taking a statistics final was 70,with a standard deviation of 7. Assuming a normal distribution,what is the probability that a student scored 90 or higher?

• A)0.4979
• B)0.0021
• C)0.9979
• D)2.86

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Definitions:

Sales Fluctuate

Variations or changes in sales volume over a specified period due to factors such as market demand, seasonality, or economic conditions.

Inventory Management

The practice of ordering, storing, using, and selling a company's inventory, including the management of raw materials, components, and finished products.

Economic Ordering Quantity

A formula used to determine the optimal order size that minimizes the total cost of inventory management, including holding and ordering costs.

Red-Line

In finance, "red-line" or more commonly "redlining," refers to the unethical practice where banks refuse loans to neighborhoods based on racial or ethnic composition. If this term is meant in another context, it might not be a recognized key term.