The Average American Sees 3

Essay

The average American sees 3.9 movies at the theater each year. A curious student polls 30 friends and family over the course of a week. He finds that his friends have seen an average of 4.5 movies with a standard deviation of 1.2 movies.
-Does this sample provide evidence that people are attending the movies more often?
Provide a complete significance test to support your answer.