Mathematics, 16.10.2020 07:01 sepdentalcare8131
Each of 12 refrigerators of a certain type has been returned to a distributor because of an audible, highpitched, oscillating noise when the refrigerators are running. Suppose that 7 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 6 examined that have a defective compressor. What is the probability that X exceeds its mean valueby more than 1 standard deviation?
Answers: 3
h (x;:6,7,12)
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Each of 12 refrigerators of a certain type has been returned to a distributor because of an audible,...
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