Z-score corresponding to value
Scores on a standardized test are normally distributed with a mean of 100 and a standard deviation of 12. An individuals test score is found to be 125. Find the z-score corresponding to this value.
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Air enters an evaporative cooler at 1 atmosphere, 36°C, and 20 percent relative humidity at a rate of 4 m3/min. Determine (a) the exit temperature of the air and (b) the required rate of water supply to the evaporative cooler.
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