A random sample of Indiana voters was asked about their use of the Internet and the type of community they lived in. The two-way table follows. Community Type Rural Suburban Urban Internet users 435 1065 530 Nonusers 470 620 391 The degrees of freedom for the chi-square test for this two-way table are O a. 2 O b. 1 O c. 3 O d. 5 O e. 4