QUESTION

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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 $95 \% \mathrm{CI}$ for the population proportion. \[ \mathrm{CI}=(\quad, \quad) \] 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 $99 \% \mathrm{CI}$ for the population mean. \[ \mathrm{CI}=(\quad, \quad) \] 3. Suppose that a simple random sample of size $\mathrm{n}=12$ 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. \[ \mathrm{CI}=(\quad, \quad) \]

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