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

Mathematics

Jane Mahoney

15 March, 09:55

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.

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Answers (1)

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Jaydon Wade · Answer 1

The billiard balls without replacement.

Let's say there are 10 billiard balls 5 red and 5 blue.

If you pick a blue ball on the first pick you had a 5/10 chance

Now your chances of getting a red are only 5/9.

What happened on the first pick affects what happens on the second (making it dependent)