Multiple Choice
A TV news program conducts a call-in poll about a proposed city ban on smoking in public places. Of the 2467 callers, 1900 were opposed to the ban. Which of the following assumptions for inference about a proportion using a confidence interval is violated?
A) The data are an SRS from the population of interest.
B) The population is at least 10 times as large as the sample.
C) n is so large that both the count of successes, np̂ and the count of failures, n(1-p̂) , are 10 or greater.
D) There appear to be no violations of the assumptions.
Correct Answer:
Verified
Correct Answer:
Verified
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