Mathematics for IGCSE & O level - Probability (Section 7 - No. 5)
What is the probability of not getting a multiple of 3 on a single spin of the spinner described in the previous question?
1/3
2/3
1/2
1/6
คำอธิบาย
Probability of not getting a multiple of 3 is 1 - P(multiple of 3) = 1 - 1/3 = 2/3