Math G   Homework Problems due 9/10/08

Show all steps and explanations for full credit.

 

 

1)  Given the sets  A  =  {1, 2, 3, 4, 5, 6, 7}    B  =  {2, 4, 6, 8, 10, 12}   find

 

a)   n(A)  and  n(B)                               b)  A B   and  A ÈB

 

c)  Can you calculate the complement of A  ?  Explain

 

 

 

2)  A survey of country western songs produces the following information about the common themes of love, prison and trains.

 

11  songs about a traindriver who was in prison and in love

14  about a prisoner in love

31 about people in love

17  about a traindriver in love

4  about a traindriver i8n prison but not in love

1  about a prisoner who is not in love and does not drive a train

19  about people not in prison, not in love and who don’t drive a train

17  about traindrivers who are not in prison.

 

Draw a Venn diagram and use it to find how many songs were surveyed.