state gov Karnataka Forest Guard (ಅರಣ್ಯ ರಕ್ಷಕ) Mock Test 2023 Mathematics Probability Probability of Random Experiments
Two balls are selected from a box containing 2 blue and 7 red balls. What is the probability that atleast one ball is blue?
1
\(\frac{2}{9}\)
2
\(\frac{7}{9}\)
3
\(\frac{5}{12}\)
4
\(\frac{7}{12}\)