Elongation in of steel plates treated with aluminium are


Elongation (in %) of steel plates treated with aluminium are random with probability density function

f(x)={x/250 20

a)What proportin of steel plates have elongations greater than 25 %?

b)Find the mean elongation.

c)Find the variance of the elongations.

d)Find the standard deviation of the elongations.

e)Find the cumulative distribution function of the elongations.

f)A particular plate elongates 28%. What proportion of plates elongate more than this?

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Civil Engineering: Elongation in of steel plates treated with aluminium are
Reference No:- TGS0658894

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