43. A public opinion poll is taken a week prior to the election of the state governor. There are two candidates, A and B. A random sample is taken among likely voters, and among those people polled, 724 prefer Candidate A, and 831 prefer Candidate B. a) Find the 95% confidence interval for the percentage of support of Candidate A among likely voters. b) Find the 95% confidence interval for the percentage of support of Candidate B among likely voters. c) Is the difference between the two candidates statistically signifi- cant at this confidence level? Explain.

43. A public opinion poll is taken a week prior to the election of the state governor. There are two candidates, A and B. A random sample is taken among likely voters, and among those people polled, 724 prefer Candidate A, and 831 prefer Candidate B. a) Find the 95% confidence interval for the percentage of support of Candidate A among likely voters. b) Find the 95% confidence interval for the percentage of support of Candidate B among likely voters. c) Is the difference between the two candidates statistically signifi- cant at this confidence level? Explain.

Name: 43. A public opinion poll is taken a week prior to the election of th
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Description: 43. A public opinion poll is taken a week prior to the election of the stategovernor. There are two candidates, A and B. A random sample istaken among likely voters, and among those people polled, 724 preferCandidate A, and 831 prefer Candidate B.a)

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.4: Collecting Data

Problem 6E

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