Statistics Solutions

(See Solution) Suppose that in conducting a survey of the proportion of people worldwide who lack access to a toilet or outhouse, the World Health Organization

Question: Suppose that in conducting a survey of the proportion of people worldwide who lack access to a toilet or outhouse, the World Health Organization found that in a random sample of 2,000 people, 820 fit this definition. The published percentage is 38%. Test the hypothesis at an \(\alpha \) - level of .05 that the recent WHO survey is accurate versus the alternative hypothesis that more than 38% of the world’s population lack access to a toilet or outhouse (what we in the West take for granted as minimum sanitation facilities).

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