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:

Heterogeneous

Consisting of elements or components that are very different from one another; diverse in character or content.

Prefix

A linguistic element placed at the beginning of words to modify their meaning or create new terms, commonly used in medical nomenclature.

SOAP

An acronym for Subjective, Objective, Assessment, and Plan; a method used in medical documentation to organize patient notes.

Assessment

The evaluation or estimation of the nature, quality, or ability of someone or something.