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Problem 1. Let x be a random variable which approximately follows a normal distribution with mean...

Problem 1. Let x be a random variable which approximately follows a normal distribution with mean µ = 1000 and σ = 200. Use the z-table, calculator, or computer software to find the following: Part A. Find P(x > 1500). Part B. Find P(x < 900). Part C. Find P(900 < x < 1500).

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