【蓉蓉要上榜】評論
Z=2➡️PR=98 Z=1➡️PR=84 Z=0➡️...
【國修(重考教師)】評論
Z=0 → PR=50Z=0.5 → PR=69**Z=1 → PR=84(區間68%)**Z=1.5 → PR=93**Z=1.65→ PR=95**Z=1.96→ PR=97.5 (接近98%)**Z=2 → PR=97.72(大約)Z=2.5 → PR=99(大約)Z=2.96→ (區間99.7%)Z=3 → PR=99(大約)