54. A 99% confidence interval for the difference between the proportions of men and women in Florida
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54. A 99% confidence interval for the difference between the proportions of men and women in Florida who are alcoholics equals (.02, .09).
a) We are 99% confident that the proportion of alcoholics is between .02 and .09.
b) We are 99% confident that the proportion of men in Florida who are alcoholics is be- tween 02 and .09 larger than the proportion of wonen in Florida who are.
c) At this confidence level, there is insufficient evidence to infer that the population pro- portions are different.
d) We are 99% confident that a minority of Flonda residents are alcoholics
e) Since the confidence interval does not contain 0, it is impossible that , = 2.
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Related Book For
Statistical Methods For The Social Sciences
ISBN: 9780135265260
3rd Edition
Authors: Alan Agresti, Barbara Finlay
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