Greece has faced a severe economic crisis since the end of 2009. A Gallup poll surveyed 1000 randomly sampled Greeks in 2011 and found of them said they would rate their lives poorly enough to be considered "suffering". (a) Consider the population parameter of interest. What is the value of the point estimate of this parameter? .21 (b) Check if the conditions for constructing a confidence interval based on these data are met: пр- 210 10 >= v п(1 — р)- 10 >= v The sample observations are Independent Thus, we may conclude that the conditions Are satisfied (c) Calculate a 98% confidence interval for the proportion of Greeks who would rate their lives as "suffering".
Greece has faced a severe economic crisis since the end of 2009. A Gallup poll surveyed 1000 randomly sampled Greeks in 2011 and found of them said they would rate their lives poorly enough to be considered "suffering". (a) Consider the population parameter of interest. What is the value of the point estimate of this parameter? .21 (b) Check if the conditions for constructing a confidence interval based on these data are met: пр- 210 10 >= v п(1 — р)- 10 >= v The sample observations are Independent Thus, we may conclude that the conditions Are satisfied (c) Calculate a 98% confidence interval for the proportion of Greeks who would rate their lives as "suffering".
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Greece has faced a severe economic crisis since the end of 2009. A Gallup poll surveyed 1000 randomly sampled Greeks in 2011 and found that 21%
of them said they would rate their lives poorly enough to be considered "suffering".
(a) Consider the population parameter of interest. What is the value of the point estimate of this parameter? .21
(b) Check if the conditions for constructing a confidence interval based on these data are met:
пр- 210
10
>= v
n(1 – p)=
10
>= v
The sample observations are Independent
Thus, we may conclude that the conditions Are satisfied
(c) Calculate a 98% confidence interval for the proportion of Greeks who would rate their lives as "suffering".
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