Question: 49. Suppose that random variable X (in thousands) is distributed as lognormal with parameters = 5 and 2 = 9. Determine the following probabilities:

49. Suppose that random variable X (in thousands) is distributed as lognormal with parameters μ = 5 and σ2 = 9. Determine the following probabilities:

(a) P(3500 ≤

X ≤ 9500),

(b) P(1500 ≤ X ≤ 2500).

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