Question
From a survey of coworkers you find that 50% of 176 have already received this year's...
From a survey of coworkers you find that 50% of 176 have already received this year's flu vaccine. An approximate 98% confidence interval is (0.412, 0.588). a) How would the confidence interval change if the sample size had been 704 instead of 176? b) How would the confidence interval change if the confidence level had been 90% instead of 98%? c) How would the confidence interval change if the confidence level had been 99% instead of 98%?
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