How to solve this with tan
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At a pizza shop 70% of the customers order a pizza 25% of the customers order a salad and 15% of the customers order both a pizza and a salad if s customer is chosen at random what is the probability that he or she orders either a pizza or a salad

Use the drop-down menus to complete the statements to match the information shown by the graph.

Why is causation so much more difficult to prove than correlation?