​An Employee of a Delivery Company Earns $25

question 343

Multiple Choice

​An employee of a delivery company earns $25.00 per hour driving a delivery van in an area where gasoline costs $2.60 per gallon.When the van is driven at a constant speed s (in miles per hour,with ) ,the van gets miles per gallon.Determine the most economical speed s for a 100-mile trip on an interstate highway. ​

• A) ​The most economical speed is 52.0 mph.
• B) ​The most economical speed is 48.0 mph.
• C) ​The most economical speed is 25.0 mph.
• D) ​The most economical speed is 50.0 mph.
• E) ​The most economical speed is 53.0 mph.

Compare and contrast reliability and validity in psychological testing.

Understand the implications of low predictive validity for test scores.

Recognize the relationship between IQ scores and performance in various domains.

Analyze the concept of test bias and its assessment.

---

Definitions:

Option Contract

A financial derivative contract that grants the buyer the right, but not the obligation, to buy or sell an asset at a specified price on or before a certain date.

Exercise Price

The price at which the holder of an option can buy or sell the underlying security.

European Calls

Options contracts that allow the buyer to purchase a stock or asset at a specific price on or before the expiration date, but only on that date.

Expiration Date

The final date by which an option or other financial instrument must be exercised or becomes void.