Do well-rounded people get fewer colds? A study on the Chronicle of Higher Education was conducted by
Question:
a. Construct a 99% confidence interval for the difference in the two population proportions.
b. Does there appear to be a difference in the population proportions for the two groups?
c. You might think that coming into contact with more people would lead to more colds, but the data show the opposite effect. How can you explain this unexpected finding?
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Related Book For
Introduction To Probability And Statistics
ISBN: 9781133103752
14th Edition
Authors: William Mendenhall, Robert Beaver, Barbara Beaver
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