Which pair of events is dependent?
You get a head and a tail in two coin tosses with two different coins.
You get a head and a tail in two coin tosses using the same coin twice.
You pick two numbered billiard balls from a bag of balls one after the other without replacement.
You draw two red cards one after the other with replacement.

Question

Which pair of events is dependent?
You get a head and a tail in two coin tosses with two different coins.
You get a head and a tail in two coin tosses using the same coin twice.
You pick two numbered billiard balls from a bag of balls one after the other without replacement.
You draw two red cards one after the other with replacement.

amistre64 · Answer

which ones involve the outcome of one changing the probability of the other?