Asked by Clay
In a simple random sample of 80 patients that go to a certain dentist, 9 patients had their teeth whitened. which interval is the 95% confidence interval for the percent of all the dentist's patients who had their teeth whitened?
(4.4, 18.2)
(8.4, 14.2)
(5.5, 17.1)
(7.8, 14.8)
(4.4, 18.2)
(8.4, 14.2)
(5.5, 17.1)
(7.8, 14.8)
Answers
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Hi
The first one is the answer. Just took the test.
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