a. Draw a line graph of the pmf of X in Exercise 35. Then determine the pmf

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a. Draw a line graph of the pmf of X in Exercise 35. Then determine the pmf of - X and draw its line graph. From these two pictures, what can you say about V(X) and V (- X)?

b. Use the proposition involving V (aX + b) to establish a general relationship between V (X) and V (-X).

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Probability And Statistics For Engineering And The Sciences

ISBN: 9781305251809

9th Edition

Authors: Jay L. Devore

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Question Posted: Jan 27, 2017 10:51 AM

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a. Draw a line graph of the pmf of X in Exercise 35. Then determine the pmf

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p(x) 15 15

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a The line graph of the pmf of X is just the l...View the full answer

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