PCs AND Macs
(For use with Rolf, section 6.2)
 

In the Venn diagram at the right,
Let P be the set of students who use PCs
Let M be the set of students who use Macs
31 students were asked whether they used PCs and/or Macs, with these results :
25 students used only one of the two computer types
22 students used PCs
5 students used neither computer type (See below)




 

You must first enter the size of each of the 4 compartments of the Venn diagram (above) which interpret the numerical information given in the problem above. The questions below are crafted to require reading the English for its logical content : BE CAREFUL.

(a) How many students used Macs?
(b) How many students did not use Macs?
(c) How many students used both types of computers?
(d) How many students did not use both types of computers?
(e) How many students did not use either type of computers?

  
This page copyrighted:
23 June 2007