15-persons-among-whom-are-A-and-B-sit-down-at-random-at-a-round-table-The-probability-that-there-are-4-persons-between-A-and-B-is-

Question Number 76740 by benjo 1/2 santuyy last updated on 30/Dec/19

15 persons, among whom are A and B,

sit down at random at a round table .

The probability that there are 4 persons

between A and B is

Commented by mr W last updated on 30/Dec/19

p = \frac{C_{4}^{13} \times 4! \times 2 \times 9!}{14!} = \frac{1}{7}

Commented by benjo 1/2 santuyy last updated on 30/Dec/19

t h a n k y o u s i r

Commented by mr W last updated on 30/Dec/19

i s t h e a n s w e r c o r r e c t ?

Commented by benjo 1/2 santuyy last updated on 30/Dec/19

y e s s i r . y o u r a n s c o r r e c t

Commented by mr W last updated on 30/Dec/19

t h a n k s s i r!

Commented by benjo 1/2 santuyy last updated on 30/Dec/19

s i r c a n t h i s a p p l i c a t i o n b e i n s t a l l e d

o n a l a p t o p ?

Commented by mr W last updated on 30/Dec/19

i {d o n}^{'} t t h i n k s o .

Commented by Kunal12588 last updated on 30/Dec/19

y o u m a y u s e b l u e s t a c k