A company claims the average time a customer waits on hold


A company claims the average time a customer waits on hold is less than 5 min. A sample of 35 customers has an average wait time of 4.78 min. Assume the population standard deviation for wait time is 1.8 min. Test the company claim at the α = 0.05 significance level by comparing the calculated 

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Applied Statistics: A company claims the average time a customer waits on hold
Reference No:- TGS01002799

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