Question

a box contains 4green , 5 blue and 3 red balls. a ball is drawn at random . find the probability that the selected ball is 1) red in colour 2) not green in colour​

Answer 1

Answer:

Step-by-step explanation:

4- Green   5- Blue   3- Red

i) Red in colour → total = 4+5+3=12

3/12=1/4

(ii) not Green in colour:- means balls maybe blue or Red.

Blue + Red = 5+3=8 and total = 12

sice,

answer is

8/12=2/3