You want to make a 90% confidence interval for the difference in the percent of stray cats that are fixed and the percent of cats with homes that are fixed.

You want to make a 90% confidence interval for the difference in the percent of stray cats that are fixed and the percent of cats with homes that are fixed. You take samples from each group. For stray cats you get X1 = 8, n1 = 40. For cats with homes, you get X2 = 32, n2 = 35. You decide to use the Plus Four method. Fill in the blanks for the values velow, as you would put them into your formula (or calculator) in order to use the Plus Four method. X1 = n1 = X2 = n2 =