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Find the probability that he smokes or does not exercise

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Reference no: EM132856265

A study was carried out with a group of 2,920 students, and they were asked if they did any or any of the following activities that were harmful to health: consuming alcohol, smoking and not exercising. The results were as follows: 760 consume alcohol, 960 smoke, 820 do not exercise, 490 consume alcohol and smoke, 565 smoke and do not exercise, 335 do these three activities that are harmful to health, and 200 only consume alcohol. If we select a student at random, find the probability that he smokes or does not exercise, but not both.

Reference no: EM132856265

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