How can we best represent ‘support’ for the following association rule: “If X and Y, then Z”.

{x,y,z}/(total number of transactions)

{x,y}/(total number of transactions)

{z}/(total number of transactions)

How can we best represent ‘support’ for the following association

1.	How can we best represent ‘support’ for the following association rule: “If X and Y, then Z”.
A.	{x,y}/(total number of transactions)
B.	{z}/(total number of transactions)
C.	{z}/{x,y}
D.	{x,y,z}/(total number of transactions)
Answer» D. {x,y,z}/(total number of transactions)