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.

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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)

MATLAB: An Introduction with Applications

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ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

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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.

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