Finds that their mean travel time is 22.5 minutes. what, Ask an Expert

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Travel times to work. A labor specialist thinks that the mean travel time to work for all workers in North Carolina is 20 minutes. A random sample of 15 workers finds that their mean travel time is = 22.5 minutes. What are the null and alternative hypotheses for testing whether the true mean is different from 20 minutes?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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