Short Answer
Use the following information for questions:
Suppose on a highway with a speed limit of 65 mph, the speed of cars are independent and normally distributed with an average speed = 65 mph and standard deviation = 5 mph.
-What is the probability that the sample mean speed in a random sample of n = 10 cars exceeds 68 mph?
Correct Answer:
Verified
Correct Answer:
Verified
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