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# Probability Dependence

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Independent or Not Independent: Selecting a red apple from a bag of apples, eating it, and then selecting a green apple from the same bag.

Independent or Not Independent: Rolling a 6 on a number cube and then rolling another 6 on the same number cube.

Independent or Not Independent: Rolling a number less than 3 on a number cube and then flipping tails on a coin flip.

Independent or Not Independent: P(A)=0.3, P(B)=0.5, P(A|B)=0.15

Independent or Not Independent: P(A)=0.2, P(B)=0.4, P(A|B)=0.2

Independent or Not Independent: P(A)=0.6, P(B)=0.2, P(A|B)=0.3

RedBlue  Dec 21, 2017
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#1
+80905
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Not Independent.....the probability of selecting a green apple on the second draw depends upon the first draw

Independent  .....the second outcome does not depend upon the first

Independent.....one event has no effect upon the other

The last three will be independent if   P(A I B)   = P(A)

So......the first one is Not independent

Second one  .....Independent

Third one......Not independent

CPhill  Dec 21, 2017
#2
+29
+1

Thank you, kind sir.

RedBlue  Dec 21, 2017

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