X and Y are two events. The probability of X or Y is 0.7 and
MATHEMATICS
JAMB 2000
X and Y are two events. The probability of X or Y is 0.7 and that of X is 0.4. If X and Y are independent, find the probability of Y.
- A. 0.30
- B. 0.50
- C. 0.57
- D. 1.80
Correct Answer: A. 0.30
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