(Hypothetical) In a major national survey of crime victimization, the researchers found that 17.0% of Americans age 12 or older had been a victim of...

3.    (Hypothetical) In a major national survey of crime victimization, the researchers found that 17.0% of Americans age 12 or older had been a victim of crime. The size of the sample was 144,400. (30 points possible.)

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