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A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:4. The campaign manager for a congressional candidate claims that the candidate has more than 50% support from
the district's electorate. A newspaper collects a simple random sample of 500 likely voters in this district and
estimates the support for this candidate to be 52%. The p-value for the hypothesis test evaluating the campaign
manager's claim is 0.19. Which of the below is correct?
O If in fact 50% of likely voters support this candidate, the probability of obtaining a random sample of 500
likely voters where 52% or more support the candidate is 0.19.
95% of random samples of size 500 will estimate the support for this candidate to be 52%.
The success-failure condition is not met, so this p-value is not reliable.
O The data provide convincing evidence for the campaign manager's claim.
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