a probability distribution X ∼ N(30,5) (that is, X has a normal distribution with mean 30...

Question

Question

a probability distribution

X ∼ N(30,5)

(that is, X has a normal distribution with mean 30 and standard deviation 5)

Use the empirical rule to find an approximation for

P (20 < X < 40)

math Statistics-And-Probability

Answer 1

Answer #1

Answer 2

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