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There is a 80% chance that a person eats dinner, a 70% chance a person...

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Basic Math

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There is a 80% chance that a person eats dinner, a 70% chance a person eats dessert and a 40% chance the person will eat dinner and dessert. Which of the following is true? A. Eating dinner and eating dessert are dependent events because P(dinner) - P(dessert) = 0.8 -0.7 = 0.1 which is less than P(dinner and dessert) = 0.4. B. Eating dinner and eating dessert are independent events because P(dinner) P(dessert) = 0.8.0.7 = 0.56 which is not equal to P(dinner and dessert) = 0.4. C. Eating dinner and eating dessert are dependent events because P(dinner) P(dessert) = 0.8 0.7 = 0.56 which is not equal to P(dinner and dessert) = 0.4. D. Eating dinner and eating dessert are independent events because P(dinner) - P(dessert) = 0.8 -0.7 = 0.1 which is less than P(dinner and dessert) = 0.4.

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