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Confidence Intervals A drug company has introduced a new test for the flu. In a random...
Confidence Intervals
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A drug company has introduced a new test for the flu. In a random sample of 150 US adults, the new test is accurate for 125 adults.
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Find the 99% confidence interval for the proportion of accurate tests for all US adults.
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Interpret the confidence interval in the words of the problem.
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Find the error bound.
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Does this data and analysis provide evidence so that the company can claim its new test is accurate in more than 80% of all US adults? Justify!
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