Question

The letters “o”, “g” and “d” are written on 3 different cards. The cards are taken one by one and put on the table in one row. What is the probability that word “dog” will be found out?

Answer 1

There are $3!=6$ possible outcomes

$$S=\{ogd, odg, dog, dgo, god, gdo\}$$

The probability that word “dog” will be found out is

$$P(dog)=\dfrac{1}{6}$$