Given that x is a normal variable with mean μ = 44 and standard deviation = 6.6, find the following probabilities. (Round your answers to four decimal places.) USE SALT (a) P(x ≤ 60) (b) P(x ≥ 50) (c) P(50 ≤ x ≤ 60)

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Q: What z-score would be associated with the value x = 172?

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