Question

  

In the reaction Mg + CuSO4 → MgSO4 + Cu, which element is being oxidized?

  

Base on the alternative hypothesis would this be considered a two tail test or a one tail test.

Ho: p = 0.15, Ha: p< 0.15,α = 0.05, z = -1.82, p-value = 0.0688

Group of answer choicesOne tail testTwo tail test