A box contains 10 red marbles, 20 blue marbles and 30 green marbles
MATHEMATICS · Multi-part · CBSE · Mathematics · Probability · Probability
Problem
1. A box contains 10 red marbles, 20 blue marbles and 30 green marbles. 5 marbles are drawn from the box, what is the probability that (i) all will be blue? (ii) atleast one will be green?
(i) all will be blue?
(ii) atleast one will be green?