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In: Statistics and Probability

1.A poll conducted found that out of 1748 adult Americans without tattoos, 944 of them believe...

1.A poll conducted found that out of 1748 adult Americans without tattoos, 944 of them believe that individuals with tattoos are more rebellious. Construct a 95% CI for the

population proportion.

CI = (, )

2. A poll conducted found that for a sample of 1006 adult Americans, the sample mean number of books read during the past year was 13.4 and the sample standard deviation was 16.6. Construct a 99% CI for the population mean.

CI = ( , )

3. Suppose that a simple random sample of size n = 12 is drawn from a population that is normally distributed. The sample mean is found to be 45 and the sample standard deviation is 14. Construct a 90% confidence interval for the population mean.

CI = (, )

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orchestra answered 2 years ago
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