Statisticseasy · Past Paper
A bag contains 5 red, 4 green, and 3 blue marbles. What is the probability of drawing a marble that is not red?
A5/12
B7/12
C1/2
D1/4
✓ Correct Answer: B — 7/12
Total = 12. Not red = 4 green + 3 blue = 7. P = 7/12.
Share this question