摘要:9772
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若查表求得Φ(0.96)=0.8315,Φ(1.81)=0.9648,Φ(0.5)=0.6915,Φ(2)=0.9772,则标准正态总体在区间(-1.81,0.96)内取值的概率为_________;正态总体N(2,12)在区间(0,2.5)内取值的概率为_________.
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若Φ(0.96)=0.8315,Φ(1.81)=0.9648,Φ(0.5)=0.6915,Φ(2)=0.9772,则标准正态总体在区间(-1.81,0.96)内取值的概率为________________.
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