When\(\style{font-family:Times New Roman;}{\alpha=0.10}\),\(\style{font-family:Times New Roman;}{z_{\alpha/2}=1.6449}\). This means that:
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\(\style{font-family:Times New Roman;}{\text{P}\left(Z\leq1.6449\right)=0.10}\).
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\(\style{font-family:Times New Roman;}{\text{P}\left(Z\leq1.6449\right)=0.05}\).
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\(\style{font-family:Times New Roman;}{\text{P}\left(Z\geq1.6449\right)=0.05}\).
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\(\style{font-family:Times New Roman;}{\text{P}\left(Z\geq1.6449\right)=0.10}\).