A random variable X has the following probability distribution: | X | 0 | 1 | 2 | |---|---|---|---| | P(X) | 1/4 | 1/2 | 1/4 | then, which of the following is correct? Option 1: mean = variance Option 2: 2 mean = variance Option 3: mean = 2 variance Option 4: 3 mean =2 variance

The answer is 'mean = 2 variance'. View full solution:

CUET Mathematics - A random variable X has the following probability distribution: | X | 0 | 1 | 2 | |---|---|---|---| | P(X) | 1/4 | 1/2 | 1/4 | then, which of the following is correct? | PYQs + Solutions

CUET Mathematics 2025 3 June Shift 2

Algebra

Medium

applied

mean = variance

2 mean = variance

mean = 2 variance

3 mean =2 variance

✅ Correct Option: 3