A Survey of Some AP* Stats Students Recorded Gender and Whether

Multiple Choice

A survey of some AP* Stats students recorded gender and whether the student was left or
Right-handed. Results were summarized in a table like the one shown. If it turned out that
Handedness was independent of gender, how many of the AP* Stats students were lefty girls?

A) cannot be determined
B) 9
C) 10
D) 4
E) 7