(Hypothetical) In a major national survey of crime victimization, the researchers found that 20.0% of Americans age 12 or older had been a victim of...

(Hypothetical) In a major national survey of crime victimization, the researchers found that 20.0% of Americans age 12 or older had been a victim of crime. The size of the sample was 144,400.

a)    Estimate the percentage of Americans age 12 or older who were victims at the 95% confidence level. What is sentence explaining the meaning of this confidence interval.

a)    Estimate the percentage of victims at the 99% confidence level. What is a sentence explaining the meaning of this confidence interval.