3-38. Experience dictates that at a particular clinic, about 80% of those attempting to quit smoking by

Question:

3-38. Experience dictates that at a particular clinic, about 80% of those attempting to quit smoking by undergoing hypnosis actually have stopped smoking for at least six months. If those patients are given this treatment in an independent fashion, what is the probability that at least one will be successful and stop smoking for at least six months?

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