Let W Be the Event That You Will Use the Website

Multiple Choice

Let W be the event that you will use the website tonight, Q be the event that your math grade will improve, and E be the event that you will use the website every night. Express the following event in symbols. "Either your math grade will improve, or you will use the website tonight, but not every night."

A) $\left( Q \cup W ^ { \prime } \right) \cap E$
B) $\left( Q ^ { \prime } \cup W ^ { \prime } \right) \cap E$
C) $( Q \cap W ) \cap E$
D) $( Q \cap W ) \cup E$
E) $( Q \cup W ) \cap E$