What-is-the-probability-that-3-points-will-fall-twice-when-a-dice-is-thrown-4-times-

Question Number 142947 by mathdanisur last updated on 07/Jun/21

W h a t i s t h e p r o b a b i l i t y t h a t 3 p o i n t s

w i l l f a l l t w i c e w h e n a d i c e i s t h r o w n

4 t i m e s ?

Commented by mr W last updated on 07/Jun/21

p = \frac{C_{2}^{4} \times 5 \times 5}{6^{4}} = \frac{25}{216}

Commented by mathdanisur last updated on 07/Jun/21

t h a n k s S i r

Commented by mathdanisur last updated on 07/Jun/21

S i r, C_{2}^{4} o r C_{4}^{2} ?

Commented by mr W last updated on 08/Jun/21

t h e s a m e .

Commented by Olaf_Thorendsen last updated on 08/Jun/21

In France we write C_{k}^{n} .

In UK we write C_{n}^{k} .

But it is the same .