Mathematics, 15.02.2021 22:10 xMABRYx1991
A nonprofit wants to understand the fraction of households that have elevated levels of lead in their drinking water. They expect at least 5% of homes will have elevated levels of lead, but not more than about 30%. They randomly sample 980 homes and work with the owners to retrieve water samples, and they compute the fraction of these homes with elevated lead levels. They repeat this 1,000 times and build a distribution of sample proportions.
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A nonprofit wants to understand the fraction of households that have elevated levels of lead in thei...
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