I for a Contingency Table, the Expected Frequency for a Cell

Multiple Choice

i. For a contingency table, the expected frequency for a cell is found by dividing the row total by the grand total. ii. The claim that "male and female University of Toledo students prefer different parking lots on campus" is an example of a chi-square null hypothesis.
iii. For contingency table analysis using the chi-square test, multiplying the number of rows minus 1 by the number of columns minus 1 will give you the degrees of freedom.

A) (i) , (ii) , and (iii) are all correct statements.
B) (i) and (ii) are correct statements but not (iii) .
C) (iii) is a correct statement but not (i) or (ii) .
D) (ii) and (iii) are correct statements but not (i) .
E) (i) , (ii) , and (iii) are all false statements.