Multiple choices 5/50
(Choose 1 answer)
Which of the following statements is false about the width of a confidence interval estimate for a proportion?
A. wider when the sample proportion is 0.80 than
when the sample proportion is 0.70.
B. None of the other choices is correct
C. wider for 97% confidence than for 90% confidence.
D. wider for a sample size of 100 than for a sample size of 120.
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