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Let the random variable X have pdf f(x) = x^2/18; -3 < x < 3 and...

Let the random variable X have pdf
f(x) = x^2/18; -3 < x < 3 and zero otherwise.
a) Find the pdf of Y= X^2
b) Find the CDF of Y= X^2
c) Find P(Y<1.9)
Math   Statistics-And-Probability   
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