Ask a New Question

Question

three students are to be seated in a row of 10 chairs. What is the probability that they will be seated in adjacent seats
12 years ago

Answers

MathMate
There are 10! ways to place 10 students in 10 chairs in a row.
There are 8! ways to arrange a group of 3 students with 7 other students.
Among the three students (in a group), they can arrange themselves in 3! different ways.

So the probability that they will be seated together is
(8!3!)/10!
12 years ago

Related Questions

Imagine yourself seated on a wheeled desk chair at your desk. Consider friction forces between the c... A man seated on a chair has a mass of 85 kg. Known that the mans weight is distributed so the chairs... A family is seated around the fireplace in a mountain cabin on a rainy night. A bright flash of ligh... 5children are to be seated on a bench.In how many ways can it be done? 5 students are randomly seated along the side of a table. What is the probability that they are seat... 7 men are 5 women are seated in a row.Find the ways they can be sated so that two women are not toge... In what way are the Seated Buddha in China and the Indian sculpture Shiva Nataraja similar? Respo... Seated now on the woodpile in Betsy Johnson's cellar, Millicent knew that she had come triumphant th... 71 students are seated at tables. 10 students are standing in the lunch line. 10 students are putt... How many people can be seated at 15 tables with 8 seats each?
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use