Could it be that smoking actually increases survival rates among women? The acco

Question

Could it be that smoking actually increases survival rates among women? The accompanying data represent the 20-year survival status and smoking status of 1342 women who participated in a 20-year cohort study. Complete parts EEB Click the icon to view the data table (a) What proportion of the smokers were dead after 20 years? What proportion of the nonsmokers were dead after 20 years? What does this imply about the health consequences of smoking? The proportion of the smokers who were dead after 20 years is (Round to three decimal places as needed.) Data table Smoking Status Dead Alive Smoker (S) 142 451 Nonsmoker (NS) 234 515 Age Group 18-24 25-34 35-44 45-54 56-64 65-74 75 or older Dead 3 23 5 14 828 12 5140 30 101 13 66 Alive 54 63 124 157 97 118 103 6666 83 7 280 0 Print Done

Explanation / Answer

Solution:-

Given data:-

(a)

(i) The proportion of smokers who were died after 20 years is

=(smokers who died) / ( smokers who died + smokers who are alive)

=(142) / (142+451)

=(142) / (593)

=0.239460371

Therefore,the proportion of smokers who were died after 20 years = 0.2394

(ii) The proportion of non-smokers who were died after 20 years is

=(Non-smokers who died) / (Non-smokers who died + Non-smokers who are alive)

=(234) / (234 + 515)

=(234) / (749)

=0.3124165554

Therefore,the proportion of non-smokers who were died after 20 years = 0.3124

(iii) this infers is more advantageous not to smoke.

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