Essay
A fast food outlet claims that the mean waiting time in line is less than 3.5 minutes. A random sample of 60
customers has a mean of 3.6 minutes with a population standard deviation of 0.6 minute. If α = 0.05, test the
fast food outletʹs claim using critical values and rejection regions.
Correct Answer:
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Standardized test statistic 
c...View Answer
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Correct Answer:
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c...View Answer
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