Question: Determine P( X + ) for the probability function x: 1, 2, 3, 4 p(x): 0.2, 0.4, 0.3, 0.1

Determine P(μ − σ ≤ X ≤ μ + σ) for the probability function x: 1, 2, 3, 4 p(x): 0.2, 0.4, 0.3, 0.1

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