Question 177995
In a survey of 75 consumers, 12 indicated that they were going to buy a new car, 18 said they were going to buy a new refrigerator, and 24 said they were going to buy a new washer. Of these, 6 were going to buy both a car and a refrigerator, 4 were going to buy a car and a washer, and 10 were going to buy a washer and a refrigerator. One person indicated that she was going to buy all three items. 
Construct a Venn diagram, label your diagram clearly. Use your diagram to answer the following questions:
(a) How many were going to buy only a car? 
(b) How many were going to buy only a washer? 
(c) How many were going to buy only a refrigerator
(d) How many were going to buy a car and a washer but not a refrigerator? 
(e) How many were going to buy none of these items? 
a)12-5-3-1=3
:
b)24-9-3-1=11
:
c)18-9-5-1=3
:
d4-1=3
:
e)75-(3+3+11+9+5+3+1)=75-35=40 werent going to buy any.

<img src="http://i11.photobucket.com/albums/a176/jabberstox/Venn_diagram-carwasherfrig_img.gif">