Set Operations using Venn Diagram

Set Operations using Venn Diagram

Activity 3

In a university, 200 students are randomly selected to be asked about their drink preference. It was found out that 140 students liked tea, 120 liked coffee, and 80 students said they preferred both tea and coffee. 

n(U) = 200

n(tea) = 140

n(coffee) = 120

n(tea and coffee) = 80