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The strength X of a certain material is such that its distribution is found by X...

The strength X of a certain material is such that
its distribution is found by X = eY, where Y is N(10, 1).  Find the cdf and pdf of X, and compute P(10, 000 <
X < 20, 000). Note: F(x) = P(X ≤ x) = P(eY ≤ x) =
P(Y ≤ ln x) so that the random variable X is said to have
a lognormal distribution.

Math   Statistics-And-Probability   
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