CUET · MATHS · PYQ PAPER 2025
A random variable X denotes the number of sixes obtained in three throws of a die. Find the mean of the distribution
- A \(\frac{1}{3}\)
- B \(\frac{1}{2}\)
- C \(\frac{1}{8}\)
- D \(\frac{2}{3}\)
Answer & Solution
Correct Answer
(B) \(\frac{1}{2}\)
Step-by-step Solution
Detailed explanation
\(n = 3\) \(p = \frac{1}{6}\) \(E(X) = np = 3 \times \frac{1}{6} = \frac{1}{2}\)
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