2.25 Suppose the pdf fx (x) of a random variable X is an even function. (fx (x) is an even function if fx(x) = fx(-x) for every x.) Show that (a) X and X are identically distributed. (b) Mx (t) is symmetric about 0.

Q: Exercise 5. Assume that we have observed the following values from a normal distribution with known…

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A: The PDF is a probability that a random variable, say X, will take a value exactly equal to x.

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