+0  
 
+1
41
4
avatar+350 

 

 

Venn Diagram 

 

 

 

 

(a) How many of these students like exactly two of these composers?

 

(b) How many of these students like exactly one of these composers?

 

(c) How many of these students like none of these composers?

 

(d) How many of these students like Mozart, but neither Beethoven nor Haydn?

 

(e) How many of these students like Haydn and exactly one of the other two?

 

(f) How many of these students like no more than two of these composers?

ladiikeiii  Nov 30, 2017
Sort: 

4+0 Answers

 #1
avatar+79819 
+1

(a)   M and B  =  14

       B and H   =  14

       M and H  =  20         Total  48

 

(b)  M  =  9

      B   =  15

      H   =  5             Total   29

 

(c)   2      [ the number outside the circles ]

 

(d)   9

 

(e)  No more than  2   =   Total - Those who like 3 of them  =  63 - 8   =  55

 

 

cool cool cool

CPhill  Dec 1, 2017
 #2
avatar+350 
0

 48 is wrong > Use the Venn diagram to determine the number of students that like exactly two composers.<  how do i calculate that 

ladiikeiii  Dec 1, 2017
 #3
avatar+79819 
+2

Sorry.....I believe that exactly 2 should be   6 + 6 +  12   =   24 

 

 

cool cool cool

CPhill  Dec 2, 2017
 #4
avatar+350 
0

(e) How many of these students like Haydn and exactly one of the other two?

 

E isnt 55. (55 is wrong)

 

(f) How many of these students like no more than two of these composers?

ladiikeiii  Dec 5, 2017

2 Online Users

We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners.  See details