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A population of values has a normal distribution with \mu = 111.3 \mu = 111.3 and \sigma = 75.8 \sigma = 75.8 . You intend to draw a random sample of size n = 172 n = 172 . a) Find the probability that a single randomly selected value is greater than 124. P(X > 124) = b) Find the probability that a sample of size n = 172 n = 172 is randomly selected with a mean greater than 124. P( ¯ x x ¯ > 124) = Enter your answers as numbers accurate to 4 decimal places.