7.A random sample of 228 physicians was asked the number of hours of education on LGBTQ+ content in medical school, residency, and continuing medical education. The mean number of hours spent on transgender content in a particular medical school was 0.90 hours with a population standard deviation of =5.2 hours.²

a.Construct a 90% confidence interval for the mean number of hours, , spent on transgender content in all medical schools.

b.Interpret the meaning of the confidence interval.

c.What additional questions about this data would you like to investigate?