A Recent Survey Reported That in a Sample of 300

question 61

Multiple Choice

A recent survey reported that in a sample of 300 students who attend two-year colleges, 105 work at least 20 hours per week. Additionally, in a sample of 225 students attending private four-year universities, only 20 students work at least 20 hours per week. What is the test value for a test of the difference between these two population proportions?

• A) 6.95
• B) 7.61
• C) 2.38
• D) 4.18

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Definitions:

Ice Cream

A frozen dessert made from dairy products, such as milk and cream, combined with flavorings and sweeteners, often eaten as a snack or dessert.

Perfectly Competitive

A market structure where many firms offer homogenous products, entry and exit are easy, and no single buyer or seller can influence the market price.

Quantity Supplied

The amount of a good or service that producers are willing and able to sell at a given price at a specific time.

Good Y

A hypothetical or symbolic representation of a product or service in economic analyses to examine effects on demand, supply, and market dynamics.