New RBI Grade B 2025 Notification will come Soon! Enroll Here

    Question

    A random sample of size 225 is drawn from the

    population of mean μ and standard deviation σ. The sample mean follows the distribution with mean 100 and standard distribution 4/3. The value of μ and σ are:
    A (100, 20) Correct Answer Incorrect Answer
    B (100, 18) Correct Answer Incorrect Answer
    C (100, 15) Correct Answer Incorrect Answer
    D (100, 24) Correct Answer Incorrect Answer

    Solution

    The correct answer is A

    Practice Next