A sample of 100 people is classified by gender (male/female) and by whether or not they are registered voters. The sample consists of 80 females and 20 males, and has a total of 60 registered voters. If these data were used for a chi-square test for independence, the expected frequencies should have __________ males who are registered voters.
A12
B20
C40
Dcannot determine without additional information
A12
B20
C40
Dcannot determine without additional information