11. A recent study of smoking cessation programs collected information about nicotine replacement therapies that people were using to try to quit smoking. The main nicotine replacement therapies we nicotine patch, nicotine gum, and nicotine lozenges. Some people did not use any nicotine replacem therapies. Use the Venn diagram of this data to answer some questions about smoking cessation programs. Patch 661 106 None Gum | 40 60 239 102 172 Lozenge a. How many people are represented in the study?

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