Asked by Eric

In an advertisement, a shoe store claims that its mean online delivery time is less than 30 hours. A random selection of 36 delivery times has a sample mean of 28.5 hours and a standard deviation of 3.5 hours.
Answered by PsyDAG
What is your question?
Answered by Panelope
Provide recommendations on how to address the topic that you identified in the previous question.
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