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AnswerV 32. Suppose the force acting on a column that helps to support a building is a normally distributed random variable X with mean value 15.0 kips and standard deviation 1.25 kips. Compute the following probabilities by standardizing and then using Table A.3. a. P(X 15) b. P(X 17.5) c. P(X 2 10) d. P(14 X < 18)

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Given thct 15 o 6 1.2s 6 .25 (2 1.2.5 : 0.5 Poobability0.5 1.25 1.25 Probability = 0.97 2ㄧㄑㄧ-10 15.0 :25 :25 :25 1:25 1.25 -25 윤 PC-09197 7424 0856

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