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Confidence interval for the proportion

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A researcher wants to know the poverty rate for the state of Kansas. The researcher randomly selects 150 families and finds 25 are at or below the poverty line. 

A) Determine a 95% confidence interval for the proportion. State this interval below within an interpretive sentence tied to the given context.

B) The poverty rate for the US is stated to be 12.3%. Is there evidence at the 95% confidence level that the the poverty rate is higher than 12.3%?

Reference no: EM132399945

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