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a shipment of 11 printers contains 2 that are defective. find the probability that of 4 drawn from the 11 will not contain a defective printer

Respuesta :

Answer: 21/55

Step-by-step explanation:

Chance to get a good printer first pick 9/11

second 8/10

thrid 7/9

fourth 6/8

multiply together to get 21/55