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Question: introductory econometrics please help...

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Question 2). (27.5) Assume the following p.d.f f(x) can be used to describe the Income distribution in the US f(x) -kx2 for 0sx<6 (a) Find the value of k Now, assume the following pdf: f(x) = 1/72x2 for 0Ex6 (b) sketch a graph of the corresponding pdf. (c) sketch a graph of the corresponding cdf. (d) Find P(2s X s 4) and indicate what you calculate in your graph in Part b) (5) (e) Find the expected value ofx. Explain the meaning of the expected value in this particular example. 2 sentences Find the variance of x. Explain the meaning of the variance in this particular example. 2 sentences. Introductory Econometrics, please help!

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