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Given that x is a normal variable with mean μ = 49 and standard deviation σ...

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Statistics

Given that x is a normal variable with mean μ= 49 and standard deviation σ = 6.9, find the followingprobabilities. (Round your answers to four decimal places.)

(a)  P(x ≤ 60)


(b)  P(x ≥ 50)


(c)  P(50 ≤ x ≤ 60)

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