6.27 Public Option, Part III: Exercise 6.13 presents the results of a poll evaluating support for the health care public option plan in 2009. 67% of 821 Democrats and 47% of 782 Independents support the public option. (a) Calculate a 95% confidence interval for the difference between (PD-P₁) and interpret it in this context. We have already checked conditions for you. The confidence interval is: %) (please round to the %, nearest percent) Interpret the confidence interval in context:
6.27 Public Option, Part III: Exercise 6.13 presents the results of a poll evaluating support for the health care public option plan in 2009. 67% of 821 Democrats and 47% of 782 Independents support the public option. (a) Calculate a 95% confidence interval for the difference between (PD-P₁) and interpret it in this context. We have already checked conditions for you. The confidence interval is: %) (please round to the %, nearest percent) Interpret the confidence interval in context:
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Transcribed Image Text:6.27 Public Option, Part III: Exercise 6.13 presents the results of a poll evaluating support for the health
care public option plan in 2009. 67% of 821 Democrats and 47% of 782 Independents support the public
option.
(a) Calculate a 95% confidence interval for the difference between (PD-PI) and interpret it in this context.
We have already checked conditions for you.
The confidence interval is:
%,
nearest percent) Interpret the confidence interval in context:
%) (please round to the
We can be 95% confident that the difference in population proportions is contained within our
interval
We can be 95% confident that the difference in sample proportions is contained within our interval
O 95% of differences in proportions are contained within this interval
(b) True or false (Explain): If we had picked a random Democrat and a random Independent at the time of
this poll, it is more likely that the Democrat would support the public option than the Independent.
true
O false
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