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# Keith's Florists has 18 delivery trucks, used mainly to deliver flowers and flower arrangements in the Greenville, South Carolina, area. Of these 18...

Keith’s Florists has 18 delivery trucks, used mainly to deliver flowers and flower arrangements in the Greenville, South Carolina, area. Of these 18 trucks, 6 have brake problems. A sample of 4 trucks is randomly selected. What is the probability that 2 of those tested have defective brakes