Question: Let Z be a standard normal random variable. Calculate (a) Pr (-1.3 Z 0) (b) Pr (.25 Z) (c) Pr (-1

Let Z be a standard normal random variable. Calculate

(a) Pr (-1.3 ≤ Z ≤ 0) 

(b) Pr (.25 ≤ Z)

(c) Pr (-1 ≤ Z ≤ 2.5) 

(d) Pr (Z ≤ 2)

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