4. The continuous random variable X is defined as following, X-Unif(-2, 0.5). a. Graph the pdf of X. b. What is the probability that X is less than or equal to 0? c. What is the probability that X is greater than -0.5? d. What is the expected value of X? e. What is the variance of X? f. What is the standard deviation of X? с. е.

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A: Note: according to our guidelines we can answer only first three subparts

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