Q7 A continuous random variable has probability density function (p.d.f) [x+1 f(x) = { -x+1 -1≤x≤0 0≤x≤1 Response S NS Calculate a. Draw the diagram of f(x), and then calculate the probability that x lies in a particular from - 0.5 to +0.5 (Integration approach ONLY); b. Calculate the expected value of x; C. Calculate the standard deviation of x.

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