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math . probability.. A random variable X has a probability density function f(x) = Efor 0 S x S 4. a) What is the value

math . probability..

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A random variable X has a probability density function f(x) = Efor 0 S x S 4. a) What is the value of A? b) What is the expected value of this random variable? c) What is the median of the random variable? (1) What is the standard deviation of the random variable? e) What is the interquartile range

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