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Category > Architecture and Design Posted 24 May 2017 My Price 4.00

The stiffness of a certain type of steel beam used in building construction

10.     The stiffness of a certain type of steel beam used in building construction has mean 30 kN/mm and stan- dard deviation 2 kN/mm.

a.    Is it possible to compute the probability that the stiffness of a randomly chosen beam is greater than 32 kN/mm? If so, compute the probability. If not, explain why not.

b.    In a sample of 100 beams, is it possible to com- pute the probability that the sample mean stiffness of the beams is greater than 30.2 kN/mm? If so, compute the probability. If not, explain why not.

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Alpha Geek
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Status NEW Posted 24 May 2017 07:05 AM My Price 4.00

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