Events A and B are such that `P(A)=1/2,\ P(b)=7/(12)` and `P(` not A or not`)=1/4` . State whether A and B are independent?

Explanation

To determine whether events A and B are independent, we will follow these steps:

### Step 1: Identify Given Probabilities
We are given:
- \( P(A) = \frac{1}{2} \)
- \( P(B) = \frac{7}{12} \)
- \( P(\text{not } A \text{ or not } B) = \frac{1}{4} \)

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