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Question: stanford university conducted a study of whether running is healthy...

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Stanford University conducted a study of whether running is healthy for men and women over age 50. During the first eight years of the study, 2.0% of the 451 members of the 50-Plus Fitness Association died. We are interested in the proportion of people over 50 who ran and died in the same eight-year period. Find the 90% confidence interval.

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