Multiple Choice
The pH measurements of water specimens from various locations along a given river basin are Normally distributed, with mean 8 and standard deviation 0.3. You take water specimens from four randomly selected locations on this river basin. What is the probability that the mean pH measurement of these four specimens is greater than 8.2?
A) 0.2516
B) 0.1262
C) 0.0918
D) 0.0038
Correct Answer:
Verified
Correct Answer:
Verified
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