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# Let Z1, Z2, and Z3 have independent standard normal

ISBN: 9780321923271 41

## Solution for problem 13E Chapter 5.5

Probability and Statistical Inference | 9th Edition

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Problem 13E

Let Z1, Z2, and Z3 have independent standard normal distributions, N(0, 1).

(a) Find the distribution of

(b) Show that

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(c) Find the mean of V.

(d) Find the standard deviation of V.

(e) Why are the distributions of W and V so different?

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Correlation between Physical health and Social Economic Status  Low SES tends to show lower physical health o Living pay check to pay check causing stress which causes sickness  Allostatic load­ wear and tear on the body from stress  Low SES cope by a theory called shift­and­persist o Shifting is changing the mindset to focus on the...

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Let Z1, Z2, and Z3 have independent standard normal

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