1. A medical research team is investigating the benefits of a new surgical treatment. One of the claims is that the mean recovery time for patients after the new treatment is less than 96 hours.
1. How would you write the null and alternative hypotheses when you are on the research team and want to support the claim?
2. How would you write the null and alternative hypotheses when you are on an opposing team and want to reject the claim?
2. 1. You represent a chemical company that is being sued for paint damage to automobiles. You want to support the claim that the mean repair cost per automobile is less than $650. How would you write the null and alternative hypotheses?
2. You are on a research team that is investigating the mean temperature of adult humans. The commonly accepted claim is that the mean temperature is about 98.6°F. You want to show that this claim is false. How would you write the null and alternative hypotheses?
a. Determine whether you want to support or reject the claim.
b. Write the null and alternative hypotheses.
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