A poll is taken in which 390390 out of 600600 randomly selected voters indicated their preference for a certain candidate. (a) Find a 9999% confidence interval for pp. ≤p≤≤p≤ (b) Find the margin of error for this 9999% confidence interval for pp. (c) Without doing any calculations, indicate whether the margin of error is larger or smaller or the same for an 80% confidence interval. A. larger B. smaller C. same
A poll is taken in which 390390 out of 600600 randomly selected voters indicated their preference for a certain candidate. (a) Find a 9999% confidence interval for pp. ≤p≤≤p≤ (b) Find the margin of error for this 9999% confidence interval for pp. (c) Without doing any calculations, indicate whether the margin of error is larger or smaller or the same for an 80% confidence interval. A. larger B. smaller C. same
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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A poll is taken in which 390390 out of 600600 randomly selected voters indicated their preference for a certain candidate.
(a) Find a 9999% confidence interval for pp.
≤p≤≤p≤
(b) Find the margin of error for this 9999% confidence interval for pp.
(c) Without doing any calculations, indicate whether the margin of error is larger or smaller or the same for an 80% confidence interval.
A. larger
B. smaller
C. same
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