Suppose the force acting on a column that helps to support a building is a normally distributed random variable X with mean value 14.0 kips and standard deviation 1.25 kips. Compute the following probabilities by standardizing and then using a standard normal curve table from the Appendix Tables.

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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 14.0 kips and standard deviation 1.25 kips. Compute the following probabilities by standardizing and then using a standard normal curve table from the Appendix Tables.

Suppose the force acting on a column that helps to support a building is a normally distributed random variable X with mean value 14.0 kips and standard deviation 1.25
kips. Compute the following probabilities by standardizing and then using a standard normal curve table from the Appendix Tables.
(a) P(X ≤ 14)
(b) P(X ≤ 17.75)
(c) P(X ≥ 6.5)
(d) P(12 ≤ x ≤ 15)
(e) P(|X - 14.0| ≤ 2.75)
Transcribed Image Text:Suppose the force acting on a column that helps to support a building is a normally distributed random variable X with mean value 14.0 kips and standard deviation 1.25 kips. Compute the following probabilities by standardizing and then using a standard normal curve table from the Appendix Tables. (a) P(X ≤ 14) (b) P(X ≤ 17.75) (c) P(X ≥ 6.5) (d) P(12 ≤ x ≤ 15) (e) P(|X - 14.0| ≤ 2.75)
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Can you please also do d) and e)? ty!! great explanation!

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