Mathematics for IGCSE & O level - Probability (Section 2 - No. 39)
The probability that it will rain tomorrow is 0.3. What is the probability that it will *not* rain tomorrow?
0.7
0.3
0.0
1.3
Giải thích
The probability of an event not occurring is 1 minus the probability of the event occurring. Therefore, 1 - 0.3 = 0.7.