A variable x is normally distributed with mean 21 and standard deviation 5. Round your answers to the nearest hundredth as needed. a) Determine the z-score for x = 2 = b) Determine the z-score for x = 17. z = = 27. c) What value of x has a z-score of 1.8? X = d) What value of x has a z-score of -0.6? X = e) What value of x has a z-score of 0? x =

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A: x1=86, σ1=13, n1=105x2=73, σ2=16, n2=80