A local hardware store claims that the mean waiting time in line is less than 3.5 minutes. A random sample of 20 customers has a mean of 3.7 minutes with a standard deviation of 0.8 minute. If α = 0.05, test the store's claim using P-values.
Your answer needs to include the following:
Null Hypothesis:
Alternate Hypothesis:
P-Value:
Conclusion:
Interpretation:
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