Suppose the force acting on a column that helps to support a building is a normally distributed

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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 ≥ 10)

d. P(14 ≤ X ≤ 18)

e. P( |X - 15| ≤ 3)

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