Question

.P and q are two friends standing in a circular arrangement with 10 more people. Find the probability that exactly 3 persons are seated between p and q.

Answer 1

Check the attachment. Hope it helps

Answer 2

The probability that exactly 3 persons are seated between p and q is $\frac{2}{11}$

Step-by-step explanation:

Given : p and q are two friends standing in a circular arrangement with 10 more people.

To find : The probability that exactly 3 persons are seated between p and q ?

Solution :

Let fix p at one point.

Then number of places where B can be seated is 11.

Now, Exactly three persons can be seated between p and q

So, only two places where q can be seated.

The probability that exactly 3 persons are seated between p and q is given by,

$P(p)=\frac{2}{11}$

Therefore, the probability that exactly 3 persons are seated between p and q is $\frac{2}{11}$

#Learn more

There are 10 seats around a circular table. If 8 men and 2 women have to seated around a circular table, such that no two women have to be separated by at least one man.

If P and Q denote the respective number of ways of seating these people around a table when seats are numbered and unnumbered, then P:Q equals,

https://brainly.in/question/13181187