Independent Events: Determine if the two events are dependent or independent. (a

Question

Independent Events: Determine if the two events are dependent or independent.

(a) You flip a fair coin 4 times.

Event 1: getting heads on the first three tosses
Event 2: getting heads on the fourth toss

dependentindependent    

(b) There are 4 people (numbered 1 to 4) and you have to choose who will do a certain unpleasant task. You take 4 straws and cut one of them really short but hold them in your hand so that the contestants can't tell which straw is the short one. The contestants sequentially choose a straw and keep it. The person with the short straw has to do the unpleasant task.

Event 1: Person #1 draws the short straw
Event 2: Person #2 draws the short straw

dependent independent  

Explanation / Answer

a) The given Events are Independent. They do not dependent on each other.

b) The given Events are Dependent because they are reliable or dependent on each other.

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