Ok so these are the first 3 hope its clear
One movie-related statistical question would be the length of people's favorite movies (in minutes). This would contain variability since people would have different favorite movies, which would have different lengths.
One movie-related question that does not yield variability is the number of movies released in 2018 that grossed more than $100 million. This would be a fixed fact, so there is no variability about this.
Answer:
if union, U means plus,+
if intersect means minus, -
A no students are taking all 3 languages
B 41 students are taking no language sorry if I’m wrong have a great day
