The average time it takes for a person to experience pain, Ask an Expert

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The average time it takes for a person to experience pain relief from aspirin is 25 minutes. A new ingredient is added to help speed up relief (i.e., decrease the number of minutes). Let ? denote the average time to obtain pain relief with the new product. An experiment is conducted to verify if the new product is better (i.e., decreases the number of minutes). What are the null and alternative hypotheses?

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