Can you help me please: 1. Let X be a RV with PMFPx (x) ==[x²/cX = −3,−2, –1, 0, 1, 2, 3,otherwise.(a) Find c and E[X].(b) What is the PMF of the random variable Z = (X – E[X])²?(c) Using the results from (b), find the variance of X.(d) Find the variance of X using the formula var(X) = Σx(x − E[X])²px(x).

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Answered: Let X be a RV with PMF Px(x) = x²/c |0…

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.1: Measures Of Center

Problem 9PPS

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