The standard deviation for a large population is 3. A simple random sample is taken from this population, and this sample is used to calculate a 96% confidence interval for the population mean. If this confidence interval has a margin of error of 0.283, what is the sample size? (A) 3 (В) 112 (C) 344 (D) 432 (E) 474 立

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Hua Nick - Final.Exam.pdf
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7. The standard deviation for a large population
is 3. A simple random sample is taken from
this population, and this sample is used to
calculate a 96% confidence interval for the
population mean. If this confidence interval
has a margin of error of 0.283, what is the
sample size?
(A)
3
(В) 112
(C) 344
(D) 432
(E) 474
立
Transcribed Image Text:Hua Nick - Final.Exam.pdf 270% 7. The standard deviation for a large population is 3. A simple random sample is taken from this population, and this sample is used to calculate a 96% confidence interval for the population mean. If this confidence interval has a margin of error of 0.283, what is the sample size? (A) 3 (В) 112 (C) 344 (D) 432 (E) 474 立
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