Question: https://www.coursehero.com/qa/wait/12567939/ I want to make sure that I got this right. If the question about 10 couples, then the E[X]= 10*(20/19)=20/19, right?

https://www.coursehero.com/qa/wait/12567939/

I want to make sure that I got this right.

If the question about 10 couples, then the E[X]= 10*(20/19)=20/19, right?

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