Essay
A local hardware store claims that the mean waiting time in line is less than 3.5 minutes. A random sample of20 customers has a mean of 3.7 minutes with a standard deviation of 0.8 minute. If α = 0.05, test the storeʹsclaim using P-values.
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Standardized test statistic 
; Therefore,...View Answer
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Correct Answer:
Verified
Standardized test statistic ; Therefore,...
; Therefore,...View Answer
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Get Access to more Verified Answers free of charge
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