1. Confidence Interval for proportion Stanford University conducted a study of whether running is healthy for men and women over age

1. Confidence Interval for proportion Stanford University conducted a study of whether running is healthy for men and women over age 50. During the first year of the study, 7 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. Round your answers to 3 decimal places. a) Define the random variable in words X et P' X: : P: b) P' c) Construct a 97% confidence interval for the population proportion of people over 50 who ran and died in the same eight-year period. i) State the confidence interval: ii) Calculate the error bound: 111) Interpret the 97% confidence interval in the context of the problem. iv) Sketch the graph 


1. Confidence Interval for proportion
Stanford University conducted a study of whether running is healthy for men and women o

 

 


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