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JEE Main 2026 Mathematics question

MathematicsStatisticsJEE Main 2026

Let and for some , . If the mean and variance of the elements of Y are 30 and 750, respectively, then the sum of all possible values of b is

Answer: (4)

Solution

Mean of X = 10, variance of X = 30. ; variance of Y

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Question ID VK-001456