Question: In the United States, the estimated annual probability that a woman over the age of 35 dies of lung cancer equals 0.001304 for current smokers

In the United States, the estimated annual probability that a woman over the age of 35 dies of lung cancer equals 0.001304 for current smokers and 0.000121 for nonsmokers (M. Pagano and K. Gauvreau, Principles of Biostatistics, Duxbury Press, Pacific Grove, CA. 1993, p. 134).

a. Find and interpret the difference of proportions and the relative risk. Which measure is more informative for these data? Why?

b. Find and interpret the odds ratio. Explain why the relative risk and odds ratio take similar values.

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