Determine whether the hypothesis test involves a sampling distribution of means that is a normal distribution, Student t distribution, or neither. : in. Sample data: n, in, s in. The sample data appear to come from a population with a distribution that normal, and is .

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π