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anonymous
 one year ago
there is an 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
anonymous
 one year ago
there is an 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

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kropot72
 one year ago
Best ResponseYou've already chosen the best response.0@ElToro48 You need to post the choices if you expect somebody to help you.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0A.eating dinner and eating dessert are dependent events because p(dinner) p(dessert) =0.80.7=0.1 which is less than p(dinner and dessert) = 0.4 B.Eating dinner and eating dessert are dependent events because p(dinner)x p(dessert)= 0.8 x 0.7=0.56 which is not equal to p(dinner and dessert) =0.4 C.eating dinner and eating dessert are independent events because p(dinner) x p(dessert)=0.8 x 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

kropot72
 one year ago
Best ResponseYou've already chosen the best response.0Independent events have no effect on the occurrence (or nonoccurrence) of each other. Events A and B are independent if, and only if \[\large P(A\cap B)=P(A) \times P(B)\] You should now be able to choose correctly.
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