9.

Research published in JAMA Pediatrics uses survey results to characterize the burden of sexual violence in U.S. adolescents (ages 14-21 as defined by the researchers). In a random sample of 1,000 U.S. adolescents, 9% of the sample reported engaging in "some type of sexual violence perpetration in their lifetimes".

What is the 95% confidence interval for the proportion of U.S. adolescents who engaged in "some type of sexual violence perpetration in their lifetimes"?

a. A 95% confidence interval cannot be estimated using a single random sample of data

b. 89.2% to 92.8%

c. -2.0% to 20%

d. 7.2% to 10.8%