Overall, around 50% of people have brown eyes. You randomly choose 30 locations in your town and noted the eye color of the first person you saw. The first time you did this, you saw 25 people with brown eyes. The second time you did this, you saw 16 people with brown eyes. Which statement below is correct? Select all that apply. You cannot use a z-test to compare proportions since your samples are not random. The two samples have proportions that are statistically significantly different at the 90% confidence level. The proportions do not have a statistically significant difference at the 90% confidence level. You can use a z-test to compare proportions since your samples are random.