New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    The 95% confidence interval of average age of accidents

    in any city during last year for a sample of size 100 with mean age 34.25 from population of standard deviation 10 is
    A [32.29, 36.21] Correct Answer Incorrect Answer
    B [32.29, 36.58] Correct Answer Incorrect Answer
    C [32.605, 36.895] Correct Answer Incorrect Answer
    D [32.92, 36.58] Correct Answer Incorrect Answer

    Solution

    The correct answer is A

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