A shipment of 11 microwave ovens contains 2 defective units. A restaurant buys 3 of these units. What is the probability of the restaurant buying at least non defective units?
say 11%, 2% is defective, and they buy 3%, with that 2% that leaves 9% available. the probability would be around 1-2% because the number of defective units is very small compared to the whole
