Short Answer
Use the following information for questions:
The level of nitrogen oxides (NOX) in the exhaust of a particular car model can be modeled by the normal distribution with mean 0.9 grams per mile and standard deviation of 0.16 grams per mile. A random sample of 4 of these NOX levels is to be selected.
-What is the probability that the average NOX level of the 4 selected cars is greater than 1 gram per mile?
Correct Answer:
Verified
Correct Answer:
Verified
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