In Testing the Hypotheses H₀: μ = 50 Vs

question 13

Multiple Choice

In testing the hypotheses H₀: μ = 50 vs.H₁: μ ≠ 50,the following information is known: n = 64, = 53.5,and σ = 10.The standardized test statistic z equals:

• A)1.96
• B)−2.80
• C)2.80
• D)−1.96

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Definitions:

Dambisa Moyo

An international economist known for her work on global economic issues, including aid, poverty, and globalisation.

Foreign Aid

Financial or material assistance given by one country to another for development, relief, or economic stability.

Infrastructure

The foundational facilities and systems serving a country, city, or area, including transportation, communication, sewage, water, and electric systems.

Income Pyramid

A representation that illustrates the distribution of income across different segments of the population, usually showing a wide base of low-income earners and a narrow top of high-income earners.