1)

Each of 14 refrigerators of a certain type has been returned to a distributor because of an audible, high- pitched, oscillating noise when the refrigerators are running. Suppose that 9 of these refrigerators have a defective compressor and the other 5 have less serious problems. If the refrigerators are examined in random order, let X be the number among the first 7 examined that have a defective compressor. a) Calculate P(X =5) and P(X