Question: CompKENYA has recorded recent sales for three types of computer software: games, educational software, and utility programs. The following information regarding software purchases was obtained from a survey of 893 customers.
545 purchased games.
497 purchased educational software.
290 purchased utility programs.
297 purchased games and educational software.
196 purchased educational software and utility programs.
205 purchased games and utility programs.
157 purchased all three types of software.
Use a Venn diagram to answer the following questions. How many customers purchased
i) None of these types of software?
ii) Only games?
iii) At least one of these types of software?
iv) Exactly two of these types of software?