Question

In: Statistics and Probability

Four couples go to dinner together. The waiter seats the men randomly on one side of...

Four couples go to dinner together. The waiter seats the men randomly on one side of the table and

the women randomly on the other side of the table. Find the expected value and variance of the

number of couples who are seated across from each other.

Please help without using equation that has 1/x! and (-1)^k/k

Thanks!

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