Exam #3, Q15: In March 2020, doctors at two hospitals in New York began testing ALL pregnant people who arrived to give birth during the COVID 19 outbreak, regardless of whether they had symptoms. In a sample of 180 patients, they found that 15% of them tested positive for the virus.

Use Rguroo to construct a 95% confidence interval for the proportion of pregnant people in that part of New York who were infected with the virus at that time. Round the interval limits to three decimal places, and assume conditions are met to use "large sample z"