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38. Lungs and smoke. Suppose that 23% of adults
Chapter 15, Problem 38(choose chapter or problem)
38. Lungs and smoke. Suppose that 23% of adults smokecigarettes. Its known that 57% of smokers and 13% ofnonsmokers develop a certain lung condition by age 60.a) Explain how these statistics indicate that lung conditionand smoking are not independent.b) Whats the probability that a randomly selected60-year-old has this lung condition?
Questions & Answers
QUESTION:
38. Lungs and smoke. Suppose that 23% of adults smokecigarettes. Its known that 57% of smokers and 13% ofnonsmokers develop a certain lung condition by age 60.a) Explain how these statistics indicate that lung conditionand smoking are not independent.b) Whats the probability that a randomly selected60-year-old has this lung condition?
ANSWER:Step 1 of 3
Given that,
23% of adults smoke cigarettes. It’s known that 57% of smokers and 13% of nonsmokers.
It is required to develop lung condition by age 60.