Suppose the force acting on a column that helps to support a building is a normally distributed random variable X with mean value 19.0 kips and standard deviation 1.50 kips. Compute the following probabilities by standardizing and then using a standard normal curve table from the Appendix Tables or SALT. (Round your answers t four decimal places.) USE SALT (a) P(XS 19) (b) P(X $ 20.5) (c) P(X2 11.5) (d) P(17 SXS 22) (e) P(IX-1912)

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