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Given a mean of 100 and a standard deviation of​ 10, convert the random variables to​...

Given a mean of 100 and a standard deviation of​ 10, convert the random variables to​ Z-scores, then use a standard normal table below to find the probabilities.

​1. ​Pr[75 ≤ X​ ≤ 100​]​= 

​2. ​Pr[85 ≤ X​ ≤ 125​] = 

3. Pr[X​ ≥ 115​] ​= 

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