If you wish to determine whether there is evidence that the proportion of items of interest is higher in group 1 than in group 2, the appropriate test to use is:
Select one:
a. the F test for the difference between two proportions.
b. the Z test for the difference between two proportions.
c. the pooled-variance t test for the difference between two proportions.
d. the F test for the difference between two variances.