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Can someone please solve this question? The random variable X is equally likely to take any of tlr n integer values from m + 1

Can someone please solve this question?

The random variable X is equally likely to take any of tlr n integer values from m + 1 to m + n inclusive. It is given that E(3X) = 30 Var(3X) = 36. Detemline the value of m and tie value of n _ 171

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