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A survey of people in a given region ...

A survey of people in a given region showed that 20% were smokes. The probability of death due to lung cancer , given that a given person smoked was 10 times the probability of death due to lung cancer , given that a person did not smoke. If the probability of death due to lung canver in the region is 0.006, what is the probability of death due to lung cancer given that a peson is a smoker ?

A

a) 1/140

B

b) 1/70

C

c) 3/140

D

d) 1/10

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