(i) Red
Total numbers of red balls = 3
Number of black balls = 5
Total number of balls = 3 + 5 = 8
Probability of getting a red ball is = Total number of red balls/Total number of balls
= 3/8
∴ Probability of getting a red ball is 3/8
(ii) Black
Total numbers of red balls = 3
Number of black balls = 5
Total number of balls = 3 + 5 = 8
Probability of getting a black ball is = Total number of black balls/Total number of balls
= 5/8
∴ Probability of getting a black ball is 5/8