Question

A bag has 4 red balls and 3 green balls what is the probablity of getting a red ball? ​

Answer 1

Step-by-step explanation:

n(s) = 4+3 = 7

the probability of getting a red ball is = n(a)/n(s)

4/7

Answer 2

red balls =4

green balls =3

Total balls =4+3=7

probability of red balls = red balls /total =4/7