Elly and Drew work together to collect data to estimate the percentage of their classmates who own a particular brand of shoe. Using the same data, Elly will construct a 90 percent confidence interval and Drew will construct a 99 percent confidence interval. Which of the following statements is true? A) The midpoint of Elly’s interval will be greater than the midpoint of Drew’s interval. B) The midpoint of Elly’s interval will be less than the midpoint of Drew’s interval. C) The width of Elly’s interval will be greater than the width of Drew’s interval. D) The width of Elly’s interval will be less than the width of Drew’s interval. E) The width of Elly’s interval will be equal to the width of Drew’s interval.
Elly and Drew work together to collect data to estimate the percentage of their classmates who own a particular brand of shoe. Using the same data, Elly will construct a 90 percent confidence interval and Drew will construct a 99 percent confidence interval. Which of the following statements is true?
A) The midpoint of Elly’s interval will be greater than the midpoint of Drew’s interval.
B) The midpoint of Elly’s interval will be less than the midpoint of Drew’s interval.
C) The width of Elly’s interval will be greater than the width of Drew’s interval.
D) The width of Elly’s interval will be less than the width of Drew’s interval.
E) The width of Elly’s interval will be equal to the width of Drew’s interval.
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