A random variable X is N(10, 4)

Question

Question

Screenshot 2021-10-05 215631.png

A random variable X is N(10, 4). Find:

(a) Pr(10 ≤ X ≤ 11) (b) Pr(X = 11) (c) Pr(X < 11) (d) Pr(8.26 ≤ X ≤ 12.94) (e) Pr(12.94 ≤ X ≤ 15)

Mathematical-Statistics math statistics

Answer 1

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