Question

Probability
* A bag contains 18 balls out of which
X balls
black
11 If one ball is drawn at random what
is probability
that it
is black
2) If 2 more black ball are put in bag
the probabity of drawing
a black ball
is a time
that in (1), find x
than
9/8​

Answer 1

Answer:1= x/(x+18)

Step-by-step explanation:2 I not understand