Question: Verify that the functions are probability density functions for a continuous random variable X over the given interval. Determine the specified probability. f(x) = 2

Verify that the functions are probability density functions for a continuous random variable X over the given interval. Determine the specified probability. f(x) = 2 0 x > 1 x 1 over (-, ),

f(x) = 2 0 x > 1 x 1 over (-, ), P(4 X < 9)

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