In the Gallup poll described in Exercise 2, 49% of those polled considered themselves to be thriving.

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In the Gallup poll described in Exercise 2, 49% of those polled considered themselves to be "thriving."
a) Calculate the margin of error for the proportion of all American adults who were rated as "thriving" for 99% confidence.
b) Would the margin of error be larger or smaller for 95% confidence? Explain.
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Stats Data And Models

ISBN: 662

4th Edition

Authors: Richard D. De Veaux, Paul D. Velleman, David E. Bock

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