Question: 2. A research center compiled data on success after 12 months of various treatments for people who wanted to quit smoking. Results are as follows:

2. A research center compiled data on success after 12 months of various treatments for people who wanted to quit smoking. Results are as follows: Quit Didn't Quit Total Cold Turkey 12 238 250 a. What is the probability that a randomly selected person quit Drugs only 60 190 250 smoking? Therapy only 59 191 250 Drugs/Therapy 83 167 250 Total 214 786 1000 b. What is the probability that a randomly selected person used the therapy only treatment? c. What is the probability that a randomly selected person used drugs/therapy and quit smoking? d. What is the probability that a randomly selected person used drugs/therapy, given that the person quit smoking? e. What is the probability that a randomly selected person quit smoking, given that the person used drugs/therapy? f. Does it appear that whether or not a person quit smoking is independent of the treatment method used? Explain

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