A Normally Distributed Set of Scores Has a μ =

question 25

Multiple Choice

A normally distributed set of scores has a μ = 500 and σ = 100. What proportion of scores is equal to or less than 400?

• A).1587
• B).5000
• C).3413
• D).8413

---

Definitions:

Quadratic Formula

A formula used to solve for x given a quadratic equation; x = (–b ± √(b^2 – 4ac)) / 2a.

Expense Equation

The sum of the fixed and variable expenses.

Average Cost

A method to determine the cost of goods sold or inventory valuation where all costs of acquisition are averaged over the total units available for sale.

Supply Functions

Mathematical expressions that describe how the quantity of goods or services offered by suppliers changes in response to price changes.