Many Cities Around the United States Are Installing LED Streetlights

question 68

Multiple Choice

Many cities around the United States are installing LED streetlights, in part to combat crime by improving visibility after dusk. An urban police department claims that the proportion of crimes committed after dusk will fall below the current level of 0.84 if LED streetlights are installed. Specify the null and alternative hypotheses to test the police department's claim.

• A) H₀: p = 0.84 and H_A: p ≠ 0.84
• B) H₀: p < 0.84 and H_A: p ≥ 0.84
• C) H₀: p ≤ 0.84 and H_A: p > 0.84
• D) H₀: p ≥ 0.84 and H_A: p < 0.84

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Definitions:

Socio-Economic

Relating to or concerned with the interaction of social and economic factors.

CSR

Corporate Social Responsibility, a business model in which companies integrate social and environmental concerns in their operations and interactions with their stakeholders.

Broader Welfare

A concept referring to the general health, happiness, and well-being of a population or community.

Virtuous Circle

What occurs when socially responsible behaviour improves financial performance, which leads to more responsible behaviour in the future.