You Want to Test If More Than 20% of Homes

question 7

Multiple Choice

You want to test if more than 20% of homes in a neighborhood have recently been sold through a short sale,at a foreclosure auction,or by the bank following an unsuccessful foreclosure auction.You take a sample of 60 homes from this neighborhood and find that 14 fit your criteria.The appropriate null and alternative hypotheses are ___________.

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Definitions:

Noise Pollution

Unwanted or harmful outdoor sound caused by human activities, such as traffic, construction, or industrial actions, that can have health effects.

Light Pollution

The brightening of the night sky caused by streetlights and other man-made sources, which has a disruptive effect on natural cycles and inhibits the observation of stars and planets.

Water Pollution

The contamination of water bodies (e.g., lakes, rivers, oceans, aquifers) with harmful substances caused by human activities, leading to detrimental effects on aquatic life and human health.

Hearing Damage

Impairment or loss of auditory function, often caused by exposure to loud noise, disease, or aging, affecting communication and quality of life.