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Mathematics, 04.08.2021 16:20 estherdinhllama
A random sample of 100 observations yields a confidence interval with a margin of error of 60. In a new study we would like to estimate the same population parameter with a margin of error of 30 (half of the old margin of error). How many observations should we sample for this new study
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A random sample of 100 observations yields a confidence interval with a margin of error of 60. In a...
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