Question Paper for Sr. Teacher (Sec. Edu.) Comp. Exam - 2025(Mathematics) Rajasthan English MCQ Q13.A random variable X has a binomial distribution with mean 8 and variance 4. If P(X ≤ 2) = k/2¹⁶, then k is equal to — A137 B136 C121 D17 EQuestion not attempted Show answer Correct answer: 137