Pollsters at Quinnipiac University surveyed 751 likely New York
voters and found out that 368 of...
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Pollsters at Quinnipiac University surveyed 751 likely New Yorkvoters and found out that 368 of 751 are going to vote forCandidate A rather than Candidate B.
At the 95 percent confidence level, can a winner bepredicted?
What is the margin of error?
What is the probability of error?
What sample size is necessary in order to change the margin oferror to 2 percent while leaving the probability of error thesame?
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a Ho p 05 H1 p 05 Two tail test Level of Significance 005 Number of Items of Interest x 368 Sample Size n 751 Sample Proportion p xn 04900 Standard Error
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