Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: DEFECTIVE UNITS A shipment of 11 microwave ovens contains 2 defective units. In how many ways can a restaurant buy three of these units and recieve: * no defective units? _____ * one defective unit? _____ * at least two nondefective units? _____ * What is the probability of the restaurant buying at least two defective units? _____
Right answer summary: part 1: 84; part 2: 72; part 3: 156; part 4: 0.0545
Question state: todo