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Mathematics, 26.10.2020 17:00 189652
The resistance of a certain type of electrical resistors has normal distribution with mean of 45 ohms. A random sample of 9 such resistors is selected, and the variance is computed to be 4. What is the probability that the average resistance will exceed 47 ohms?
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The resistance of a certain type of electrical resistors has normal distribution with mean of 45 ohm...
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