# Question

Delegates from 10 countries, including Russia, France, England, and the United States, are to be seated in a row. How many different seating arrangements are possible if the French and English delegates are to be seated next to each other and the Russian and U.S. delegates are not to be next to each other?

## Answer to relevant Questions

We have $20,000 that must be invested among 4 possible opportunities. Each investment must be integral in units of $1000, and there are minimal investments that need to be made if one is to invest in these opportunities. The ...From a group of n people, suppose that we want to choose a committee of k, k ≤ n, one of whom is to be designated as chairperson. (a) By focusing first on the choice of the committee and then on the choice of the chair, ...Argue that Use an argument similar to the one used to establish Equation (4.1). Use Theoretical Exercise 8 to prove that In an experiment, die is rolled continually until a 6 appears, at which point the experiment stops. What is the sample space of this experiment? Let En denote the event that n rolls are necessary to complete the experiment. ...Post your question

0