2. Read the following questions and set up null and alternative hypotheses (a) About 10% of the human population is left-handed. Suppose a researcher speculates that students in the College of Arts and Architecture are more likely to be left- handed than people found in the general population. (b) A generic brand of the anti-histamine Diphenhydramine markets a capsule with a 50 milligram dose. The manufacturer is worried that the machine that fills the capsules has come out of calibration and is no longer creating capsules with the appropriate dosage.

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