ublic Policy Polling recently conducted a survey asking adults across the U.S. about music preferences. When sked, 80 of the 571 participants admitted that they have illegally downloaded music. a. b. с Create a 99% confidence interval for the true proportion of American adults who have illegally downloaded music: Without performing any calculations, describe how the error bound would change if the confidence level changed from 99% to 90%. O A. Increase O B. Decrease O C. No change וום hp O O k

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Public Policy Polling recently conducted a survey asking adults across the U.S. about music preferences. When
asked, 80 of the 571 participants admitted that they have illegally downloaded music.
a.
C
b. Without performing any calculations, describe how the error bound would change if the confidence
level changed from 99% to 90%.
C
Create a 99% confidence interval for the true proportion of American adults who have illegally
downloaded music:
$
4
r
O A. Increase
O B. Decrease
O C. No change
%
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Transcribed Image Text:Public Policy Polling recently conducted a survey asking adults across the U.S. about music preferences. When asked, 80 of the 571 participants admitted that they have illegally downloaded music. a. C b. Without performing any calculations, describe how the error bound would change if the confidence level changed from 99% to 90%. C Create a 99% confidence interval for the true proportion of American adults who have illegally downloaded music: $ 4 r O A. Increase O B. Decrease O C. No change % f T V 5 t 6.0 b 6 Oll y h hp & N 7 n u J * 8 3 i ( 9 k O L 0 | alt р ctri + [ || ? back } ]
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