
Ms. Garcia Math 


Dependent Events 
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Two events are dependent if the result of the first event affects the outcome of the second event 


Example: What is the probability of choosing a green candy and then a red candy, without replacement? 

6 green + 4 red = 10 candies 
Probability of the first event: P(green)=6/10 

Because the first candy is NOT being replaced, the probability of the second candy depends on the first. 


5 green + 4 red = 9 candies 
Probability of the second event: P(red)=4/9 

Multiply the probabilities together to determine the probability of both events occurring. 





Independent Events 
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Two events are independent if the occurrence of one does not affect the probability of the other. 


Tossing a coin and rolling a number cube are independent events. 





