What is the probability that someone will buy a tank? Mask Fins Weights Tank Dive Computer 1,000

What is the probability that someone will buy a tank?

Transcribed Image Text:

Mask Fins Weights Tank Dive Computer 1,000 Transactions 270 280 120 200 130 Mask 150 20 20 20 50 Tank 20 80 40 30 30 Fins 150 40 10 60 20 20 Weights 30 60 10 10 Dive Computer 50 30 20 10 No Additional Product 10 5 Support = P (A & B) Confidence = P (A | B) Lift = P (A | B)/ P (A) Example: P (Fins & Mask) = 150 /1000 = .15 Example: P (Fins | Mask) = 150 / 270 = .55556 Example: P (Fins | Mask) / P (Fins) = .55556 /.28 = 1.98 P (Mask | Fins) / P (Mask) = 150 / 280 / .27 = 1.98 %3D %3! %3D Note: !3!