Problem
A software company is trying to determine if there's an association between people buying their project management software, and buying their security suite. They have a list of the last 2000 sales, of which:
1. 1200 bought neither product
2. 350 bought both products
3. 250 bought only the project management software
4. 200 bought only the security suite,
Determine the support and confidence of the association of buying the project management software influencing the buying of the security suite.