# Five married couples are seated around a table at random. Let $X$ be the number of wives who sit next to their husbands. What is the expectation of $X$ $(E[X])$?

Mona Vinci

39

## Answer

**Answers can be viewed only if**

- The questioner was satisfied and accepted the answer, or
- The answer was disputed, but the judge evaluated it as 100% correct.

Erdos

4.4K

The answer is accepted.

Join Matchmaticians Affiliate Marketing
Program to earn up to 50% commission on every question your affiliated users ask or answer.

- answered
- 337 views
- $10.00

### Related Questions

- foundations in probability
- How to simplify this expression? (statistics)
- How would I write an acceptance-rejection algorithm for this problem
- Bayesian statistics
- stats- data analysis
- Statistics for argumentative data and politics
- Intro to stats symmetry vs skew and missing data values questions
- Help structure linear mixed effects model random effects structure