5251 3. In a group of 100 people, 20 smoke, 40 drink, 15 people smoke and...

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5251 3. In a group of 100 people, 20 smoke, 40 drink, 15 people smoke and drink. What is the probability that a person in this group smokes or drinks. Write the probability rule which applies. There is a 1/2 chance a person drinks or smoke In this example the addition rule is being used. 5251 3. In a group of 100 people, 20 smoke, 40 drink, 15 people smoke and drink. What is the probability that a person in this group smokes or drinks. Write the probability rule which applies. There is a 1/2 chance a person drinks or smoke In this example the addition rule is being used.

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3 Let A be the event of smoking and B be the even... View the full answer