Question #202484

A normal distribution has μ = 80 and σ = 10. What is the probability of randomly selecting X < 85 


Expert's answer

P(X<85)=P(Z<85−8010)=P(Z<0.5)=0.6915.P(X<85)=P(Z<\frac{85-80}{10})=P(Z<0.5)=0.6915.


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