The probability distribution table of a random variable X is given below. | X_i | P(X_i) | |---|---| | 0 | 1/8 | | 1 | a | | 2 | b | | 3 | 1/8 | If E(X) = 3/2, then the values of a and b are: Option 1: 3/8 and 3/8 respectively Option 2: 2/8 and 1/2 respectively Option 3: 1/2 and 2/8 respectively Option 4: 1/8 and 5/8 respectively

The answer is '3/8 and 3/8 respectively'. View full solution:

CUET Mathematics - The probability distribution table of a random variable X is given below. | X_i | P(X_i) | |---|---| | 0 | 1/8 | | 1 | a | | 2 | b | | 3 | 1/8 | If E(X) = 3/2, then the values of a and b are: | PYQs + Solutions

CUET Mathematics 2026 31st May Shift 2

Algebra

Medium

applied

$\dfrac{3}{8}$ and $\dfrac{3}{8}$ respectively

$\dfrac{2}{8}$ and $\dfrac{1}{2}$ respectively

$\dfrac{1}{2}$ and $\dfrac{2}{8}$ respectively

$\dfrac{1}{8}$ and $\dfrac{5}{8}$ respectively

✅ Correct Option: 1