UPSKILL MATH PLUS

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If A and B are two events such that P(A) = \frac{1}{4}, P(B) = \frac{1}{2} and P(A \ \text{and} \ B) = \frac{1}{8}, find (i) P(A \ \text{or} \ B) (ii) P(\text{not} \ A \text{and not} \ B).
 
Answer:
 
(i) P(A \ \text{or} \ B) = ii
 
(ii) P(\text{not} \ A \text{and not} \ B) = ii
 
[Note: Enter numerator and denominator in simplified form.]