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X ~ N (56310, 50383 == X-56310 ~N(0,1) 5038 P (XL 45 951) =P (X-56310 < 45951-56310) 5038 F 5038 = P (ZL-2.056) $
X ~ N (56310, 50383 == X-56310 ~N(0,1) 5038 P (XL 45 951) =P (X-56310 < 45951-56310) 5038 F 5038 = P (ZL-2.056) $ (-2.056) - 1-4 (2.056) =1-0.90801087 = 0.01989 { to find $() valuve we have used & command phorm()} probability that the salary of a randomly selected nevere is less than 45951 is 0-01989
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Elementary Linear Algebra with Applications
Authors: Howard Anton, Chris Rorres
9th edition
471669598, 978-0471669593
