The tires manufactured by ABC tire company have lifespans of mean 42000 miles with standard deviation 7800

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The tires manufactured by ABC tire company have lifespans of mean 42000 miles with standard deviation 7800 miles. If 80 tires are sampled, what is the probability that the sample mean of their lifespans is between 40,000 and 43,000 miles?

Posted Date: May 18, 2024 08:04 AM

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