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Given that x is a normal variable with mean μ = 52 and standard deviation σ...

Given that x is a normal variable with mean μ = 52 and standard deviation σ = 6.4, find the following probabilities. (Round your answers to four decimal places.) (a) P(x ≤ 60) Incorrect: Your answer is incorrect. (b) P(x ≥ 50) Incorrect: Your answer is incorrect. (c) P(50 ≤ x ≤ 60) Incorrect: Your answer is incorrect.

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