An oil change shop advertised to change oil within 15 minutes. Based on the data collected on a typical day, what is the probability that oil change will take 15 minutes or less time? Based on the ...
... data, do you think the business claim is valid? Explain why or why not.
6 to 10 minutes
11 to 15 minutes
16 to 20 minutes
21 to 25 minutes
More than 25 Minutes
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