If the probability that an event will occur is p and the probability that it...
MATHEMATICS
WAEC 2001
If the probability that an event will occur is p and the probability that it will not occur is q, which of the following is true?
- A. p - q=1
- B. q - p=0
- C. p + q=1
- D. p + q=0
Correct Answer: C. p + q=1
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