Which of the following are independent pairs of events? Check all that apply.

Question

A. Being a bad swimmer and drowning.

 

B. Watching television and winning the lottery.

 

C. Flipping two coins and having both show heads.

 

D. Being a good swimmer and winning the lottery.

 

E. Smoking and getting cancer.

 

 

Answer 1

A. Not strictly dependent. You could be a bad swimmer and still float. You could be a good swimmer and still drown from another cause.

 

B. Independent, they have nothing to do with each other.

 

C. Each flip is independent of the other.

 

D. Like the swimming, these are not strictly dependent. You could smoke and still not get cancer. You could not smoke and still get another type of cancer.