# statistics

posted by
**Nii** on
.

The marks obtained by 10 children in a metal drill are 0,1,3,3,5,7,8,9,9,9,.What is the probability that a child chosen at random scored 3 marks

posted by
**Nii** on
.

The marks obtained by 10 children in a metal drill are 0,1,3,3,5,7,8,9,9,9,.What is the probability that a child chosen at random scored 3 marks