Question

what is the probability that a number selected at random from the number 1,2,2,3,3,3,4,4,4,4, will be their average .​

Answer 1

Average of the given numbers is:
$= \frac{1 + 2(2)+ 3(3)+ 4(4)}{10} \\ = \frac{30}{10} = 3$
So, probablity is:
$= \frac{number \: of outcomes \: in \: favour }{total \: possible \: outcomes} \\ = \frac{3}{10} = 0.3$

Answer 2

Answer:

Step-by-step explanation:average of the given data that is add all the no.

It is 30/10 no. Of observation =3