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A new drug XYZ-10 is created to help people with depression. When testing the drug, What are the null and alternative hypotheses?
1) H0: The drug XYZ-10 decreases depression. HA: The drug XYZ-10 increases depression.
2) H0: The drug XYZ-10 affects depression. HA: The drug XYZ-10 does not affect depression.
3) H0: The drug XYZ-10 decreases depression. HA: The drug XYZ-10 does not decrease depression.
4) H0: The drug XYZ-10 does not decrease depression. Depression is unaffected or increases. HA: The drug XYZ-10 decreases depression.

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