Mathematics, 30.10.2020 16:50 jazminecousart3
the manager of a grocery store has taken a random sample of 100 customers. the average length it took these 100 customers to check out was 3.0 minutes. It is known that the sd of the check out time for all customers who shop at this grocery store is one minute. The standard error of the sample mean equals
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the manager of a grocery store has taken a random sample of 100 customers. the average length it too...
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