B

Use the following information for Questions 11-15: A town is trying to determine if a new recycling incentive would increase the number of people that separate their garbage from the recyclable items. To make this determination, a simple random sample of 10 streets are selected and the number of people that recycle on these streets is counted once before and once after the recycling incentive has been initiated. The data shows a mean difference of 3.78 and a standard deviation of 1.44. Determine if the recycling incentive was effective with a 1% significance level. Part b: Determine the rejection region