Mathematics, 21.02.2020 17:10 malika61
Each of 12 refrigerators of a certain type have been returned to a distributor because of the presence of a high pitched oscillating noise when the fridge is running. Suppose that 5 of these 12 have defective compressors and the other 7 have less serious problems. If they are examined in a random order, let X= the number among the first 6 examined that have a defective compressor. Compute the following
A) P(X=5)
B) The probability that X exceeds its mean by more than 1 standard deviation
Answers: 3
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Each of 12 refrigerators of a certain type have been returned to a distributor because of the presen...
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