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achalmers achalmers
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5 years ago
Use the one-proportion z-interval procedure to find the required confidence interval.

A researcher wishes to estimate the proportion of adults in the city of Darby  who are vegetarian. In a random sample of 1354 adults from this city, the proportion that are vegetarian is 0.049. Find a 99% confidence interval for the proportion of all adults  in the city of Darby that are vegetarians.

▸ 0.0140 to 0.0840

▸ 0.0339 to 0.0641

▸ 0.0396 to 0.0584

▸ 0.0431 to 0.0549
Textbook 
Introductory Statistics

Introductory Statistics


Edition: 10th
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Nikki_LYNNNikki_LYNN
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achalmers Author
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5 years ago
Good timing, thanks!
gefa
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Yesterday
this is exactly what I needed
acaruso
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2 hours ago
Helped a lot
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